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My Stand's ability is to paste sounds onto others!
—Koichi about Echoes ACT1, Chapter 287

Echoes (エコーズ Ekōzu) is the Stand of Koichi Hirose, featured in the fourth part of the JoJo's Bizarre Adventure series, Diamond is Unbreakable , and briefly in the fifth part, Vento Aureo.

Echoes has the unusual ability to take on three distinct forms, ACT1, ACT2 and ACT3, which Koichi may call upon alternately. Each form allows the use of a different ability, such as generating sound effects or applying weight to a target.


Egg Form

Echoes first appears as a large egg whose bottom is covered in swirling spots. It is most commonly portrayed as being white with green spots.

The series is known for alternating colors between media, the information presented below may or may not be canon.

Spots(Emerald green)

Spots(Emerald green)

Spots(Dark green)


EchoesAct1 Key Art.png

ACT1 takes the appearance of a three-section larvae-like creature. Its oversized first section serves as a head and two small shelled arms are attached to it. The head is covered with a shell on top of which a spike is visible, and the face is nearly entirely covered by metallic blinkers, only leaving a small beak visible. The second section is a shelled torso with a dark belly. The third section is equipped with a set of small wheels and a large serpentine tail with a dark belly and a clearer back covered in swirling spots and at whose end is a metallic rattle. Its most common color scheme is green and black spots.

The series is known for alternating colors between media, the information presented below may or may not be canon.

(Green body with black spots and inner tail)
Features(Golden beak, rattle, spike and blinkers)
(Purple wheels and forearms with magenta stripes)

(Olive green body with purple spots and inner tail)
Features(Golden beak, rattle, spike and blinkers)
(Purple wheels and forearms with brick red stripes)

(Olive green body with black spots and purple inner tail)
Features(Golden beak, rattle, spike and blinkers)
(Purple wheels and forearms with brown stripes)

(Emerald green shells, light green body, black spots and ebony inner tail)
Features(Golden rattle, spike and blinkers)
(Black wheels with golden inner forearms and beak)

(Dark green body, black spots and inner tail)
Features(Dark gold rattle, spike and blinkers)
Additions(Black wheels with dark gold beak)


Echoes ACT2 is a developed form of Echoes ACT1, gained during the battle with Yukako.

EchoesAct2 Key Art.png

ACT2 takes on a more humanoid appearance but is much smaller than ACT1. It is fully clad in a shell-like armor decorated with metallic striped protrusions at the crotch and other places, the most prominent piece being a large high collar fused with shoulder weights with "S2" written on the back which covers the back of the head and the shoulders. ACT2's oversized head has a now revealed face, its metallic striped eyes, nose and small robotic mouth being revealed. It still has a long organic tail with a dark belly and bright back, and a detachable kunai-like stinger.

It is generally portrayed as being green.

The series is known for alternating colors between media, the information presented below may or may not be canon.

Armor(Light green)
(Golden and black boots, chest, tail, inner forearms and eyes)

Armor(Light green)
(Yellow and black boots, tail, inner forearms and eyes)

Armor(Light green)
(Golden and dark brown boots, tail, inner forearms and eyes)

Armor and Body(Olive green armor, body and tail)
(Saffron features and inner forearms, white kneepads and boots, dark gray inner tail)


Echoes Act 3 Key Art.png

Echoes ACT3 takes on a completely humanoid form but still retains features from its previous ACTs, giving it an almost robot-like appearance. Its body is covered in multiple striped protrusions mimicking human muscles and several of them form a crest at the top of the head. ACT3 also has two X-shaped holes on the sides of the head. ACT3 now possesses a cloth wrapped around its waist similar to shorts with the number 3 printed on the front and keeps its boots. Its tail is now vestigial, a single long spike protruding from its behind.

Echoes ACT 3 is generally presented as being white and green.

The series is known for alternating colors between media, the information presented below may or may not be canon.

Body(Light mint green)
Features(Dark green and chartreuse yellow)
(Yellow knuckles and stitches, dark magenta print)

Body(Olive green)
Cloth(Light green and yellow)
Features(Brown and saffron)
(Yellow knuckles and stitches, magenta print)

Body(Light green)
Cloth(Light green)
(Golden knuckles and stitches, magenta print)

Body(Light gray)
Features(Emerald green)
(Golden knuckles and stitches, pale green print)


Egg Form

Echoes was born in extremely unusual circumstances. Koichi was stabbed by the Arrow, but due to not having the necessary fighting spirit, should have died; however Josuke Higashikata healed him with Crazy Diamond before he could die and thus Koichi survived, acquiring a powerless Stand in the process. Koichi calls on it in his battle against Tamami, during which it develops into ACT1.[2]


ACT1 doesn't have a full-fledged personality. It obeys its master's command and sometimes lets out a small growl.

ACT1 hatched from its egg during Koichi's fight with Tamami,[2] and although it was weak, its strange power easily subdued Tamami. Koichi would then use it a second time against Surface and Hazamada to fool them into thinking Josuke really pierced his own eye[3] and then fool Hazamada into taking a detour and let Josuke join with Jotaro first.[4] However, when Koichi was kidnapped by Yukako, although ACT1's long range and power allowed Koichi to contact Josuke,[5] it was too weak against Yukako's willpower. Thus ACT1 evolved into ACT2.[6] ACT1 made appearances after Josuke's fight against Akira Otoishi and Koichi. It would make a final appearance in part 4 during the Sheer Heart Attack story arc, when Koichi sent it out to scout for Kira, leaving himself defenseless against Sheer Heart Attack.[7] ACT1 appears in Vento Aureo one last time as Koichi sends it to look for Giorno Giovanna after the youth stole his luggage, to no avail.[8]


—Echoes ACT3, Chapter 437

Koichi develops Echoes ACT3 during his confrontation against Sheer Heart Attack when ACT2 proves too weak to battle the Stand.

ACT3 is now fully sentient and able to communicate with its master. ACT3 speaks politely when talking to Koichi, following his orders and referring to him as Master. However, he has a tendency to suddenly curse in English, in a manner seemingly inspired by rap music. In the Japanese version, its speech is often written in katakana to underline a mechanical tone.



Echoes makes its first appearance during the battle against Keicho, though as an egg, it is immobile and cannot do anything.

In ACT1 form, Echoes is a long-range Stand. It is very weak, its punch failing to hurt Tamami,[2] and also slow. However, it has the longest range of all ACTs and can go up to about 50 meters from its user,[9] making it useful as a scouting Stand.

Although ACT2 is still physically weak, it now possesses a stronger and more versatile power than its previous form, making it more suited to direct confrontation. Foreshadowing the speed of ACT3, ACT2 also gains a massive increase in speed - fast enough to give the impression of disappearing into the air.

Unlike Echoes' first two forms, ACT3 has a much shorter effective range. It is extremely fast and noted to be stronger but is still no match in direct combat against even Stands like Killer Queen.

ACT1: Sound Generation

Echoes ACT 1 creating a sound on Kobayashi

Echoes ACT1 can write anything on any surface or person. If it is an onomatopoeia, typically in Katakana, a sound related to the onomatopoeia in question is produced. If it is a sentence written in Kanji, the words will influence the target's state of mind. For instance, Koichi could convince his mother, who was on the verge of suicide, to stop and trust him by using the sentence "Believe in me!" on her.[10] The sound and words are said to not really be heard but to be as if they came from inside the person.[2] The sounds vary in volume, but will increase the longer the sound is active and reverberates to a person more strongly if the sound is written directly on them.

The effect can be broken with enough willpower, as Yukako dispels the writing that Koichi puts on her.[6]

ACT2: Sound Effects

Because she touched the door with the 'whoosh' on it... the sound became a real entity! The 'whoosh' turned into a real sensation and blew her away!
—Koichi about Echoes ACT2, Chapter 300

Touching the sound effect triggers an equivalent effect

Echoes' second form increases its sound abilities beyond its first form's capabilities. Echoes can write a sound effect on any surface. However, unlike ACT1, it is only able to shoot sound effects from its tail, limiting it to only one sound effect at a time. When the sound effect is touched, an effect related to the sound is produced, either affecting the person who touched it or the object which the words are inscribed on.

  • Hyooo (ヒョオオ) - A strong wind is produced.
  • Doguon (ドグオン) - The toucher is knocked back a great distance.
  • Byoyon (ボョヨオン) - The object becomes elastic and bouncy.
  • (ジュー) - The object radiates heat and will burn upon contact.
  • Dorarara (ドラララ) - An attack rush of Crazy Diamond-shaped fists attack the enemy (Eyes of Heaven only)

ACT3: 3 Freeze

3 Freeze(3(スリー)FREEZE(フリーズ) Surī Furīzu)Link to this sectionLink to this section
Echoes act3.gif

ACT3's signature ability, with which it applies a "freezing" or stopping effect by greatly increasing the weight of its target by punching it, typically adopting a fighting stance while joining the hands together while doing so and producing an aura. For example, Killer Queen's Sheer Heart Attack is forcibly sunk into the pavement by this ability, and, according to its user, the effects were as if there were 40-50 kilograms of weight on his left hand. The weight increases do have drawbacks; 3 Freeze can only affect one thing at a time, and the effect ceases if the target moves more than 5 meters away from ACT3. The closer the target is to ACT3, the heavier it feels.

Chapters / Episodes

Book Icon.png Manga Appearances
Chapters in order of appearance

TV Icon.png Anime Appearances
Episodes in order of appearance


Quote.png Quotes
  • Killer technique! ECHOES 3 FREEZE!
    —Echoes ACT3, Chapter 359: Sheer Heart Attack, Part 6
  • I'm done protecting. Mission fuckin' accomplished. Just like you asked.
    —Echoes ACT3, Chapter 359: Sheer Heart Attack, Part 6
  • Ok! Master let's kill da ho! Beeetch!

In Video Games

Cult Jump (GB)

Echoes ACT1 appears without his Stand user, Koichi, as one of the ten characters from the JoJo's Bizarre Adventure franchise on the game.

All Star Battle (PS3)

All versions of Echoes appear as Koichi's Stand during gameplay. Different moves correspond to different Stands. A full list can be found here.

  • His GHA has ACT1 pelting the victim with a barrage of deafening sounds, ACT2 knocking them high into the air, and ACT3 beating them up with 3 Freeze and inflicting his increased gravity on them, causing them to fall down hard.
  • Koichi's HHA is Echoes 3 Freeze, which will make the opponent heavier, temporarily slowing their movement and removing their ability to jump.



  • Araki designed Echoes' appearance with Koichi's growth in mind.[11]
    • ACT1 has the appearance of alien larva.
    • ACT2 grows into a child, resembling a standing Coypu.
    • ACT3 is like a friend and is the image of Koichi made into a Stand.


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