All-Star Battle R/Foo Fighters

"I'll put an FF bullet into that brain! (その脳天にＦ・Ｆ弾をブチ込んでやるッ！)"

- CITATION NEEDED

Foo Fighters (フー・ファイターズ), also referred to as F.F. (・), makes her playable debut in All-Star Battle R. She was confirmed as a playable character alongside and  during the game's Part 4, 6, & 8 Reveal Trailer. F.F. was one of the four characters playable in the game's second Early Access Demo alongside, , and. She was also 1 of 15 playable characters during the 2022 Demo on August 5.

Having neither previously appeared in nor  as a playable character, she has an original moveset based on her appearance in Stone Ocean.

As F.F.'s voice actor from the Stone Ocean anime, Mariya Ise reprises her role in All-Star Battle R.

Gameplay
F.F. has 950 health and uses the Stand (スタンド) Battle Style. However, unlike what is typical of characters with this Style, she does not summon or dismiss Foo Fighters. Instead, F.F. utilizes a "Move like F.F." system that allows her to chain various skills into each other.

Dialogue
Outside of, F.F. has unique interaction dialog for both her match entrances and victories when facing certain characters.

All-Star Battle Mode
All missions in starring F.F. as either the Player or Enemy, in order of appearance.

Music
F.F.'s theme is This Is Intelligence (これが「知性」なんだ), and can be unlocked in-game by landing a Great Heat Attack in 's Foo Fighters vs  Normal Battle.

Its name is in reference to F.F. thinking the exact line "This is [my] intellect." in Chapter 85 of Stone Ocean when resolving to shoot herself so she can complete her goal of killing D an G and escaping Enrico Pucci.

1.3.0

 * "Emergency Evade" special
 * Delayed invincibility window during move.
 * "F.F. Shot" skill
 * Increased damage.
 * "I've got this!" skill
 * Slowed down start-up.
 * Increased recovery time.
 * Increased damage.
 * "I made it." skill
 * Decreased the amount of times the move can be used against downed opponents.

1.4.0

 * "I made it." skill (grounded and aerial versions)
 * Fixed so that if the same skill hits 3 times or more, the opponent now gets downed. (unintended bug)

1.4.1

 * "I am a being of superior intellect than you!" GHA
 * Fixed so that the projectile can no longer be erased by attacks that erase projectiles. (unintended bug)

2.0.0

 * Assault Assist
 * Decreased stocks from two to one.

Trivia

 * Hidden in the game's files since ASBR's release is an unused costume for Foo Fighters that references the cover of SO Volume 4. The kanji on her Tint B (仮 meaning tentative) suggests that at least the tint is not finalized. It is unknown if this costume will ever be officially released.