Squalo

Squalo is an antagonist from Part V: Vento Aureo. Combining his stand ability with his partner Tizziano's, he is one-half of a tag-team sent out to kill Bruno Buccellati and his team on direct orders from the boss.

Synopsis
Squalo manages to rip out Narancia Ghirga's tongue with his stand, which also doubles as a means for him to plant Tizziano's stand on Narancia's tongue as a means to mislead Buccellati's group and kill them one by one.

However, Narancia manages to isolate his stand and injure him sufficiently, forcing his breathing to increase and causing the large amount of carbon dioxide he expels to become visibly distinguishable on Narancia's radar. With no body of water for him to transfer his stand, Squalo is forced to watch as Tizziano sacrifices himself to block Narancia's bullets, spilling his blood and enabling him to use his stand to attack Narancia. Squalo engages Narancia in a standoff, but ultimately loses and dies from Aerosmith's bullets.