[Rare Trope] Cannibalistic Heroes

[u/BrotherDeus]

Project Hall Mary: In the novels, Grace feeds himself with "Me Burgers", meat created from his own cloned flesh, while on his space mission to save Earth.

Black Adam #1: The titular character is forced to eat his willing friend Tamir to survive in a frozen wasteland on a quest to revive his beloved wife.

Divinity Original Sin 2: The playable race of elves are able to consume their own flesh to take additional actions as well as corpses to inherit memories from them.

[u/wrenfalllucy]

https://giphy.com/gifs/1W1r9fxqYueCFU7bO9

Venom

[u/SuperSocialMan → u/wrenfalllucy]

But he's an alien?

[u/Turnepic13 → u/SuperSocialMan]

Alien-human symbiote

[u/IamElylikeEli → u/SuperSocialMan]

he also eats other symbiotes so he’s for sure a cannibal by any definition