Characters that use biting for combat (preferably not creatures/animals)
Basically, they've got to be sapient or possess speech, so no Pokëmon or Kaiju. So Saiyan Goku is fine, but Great Ape Goku wouldn't be.
Goku (House of the Dragon)
Tock (RWBY)
Mike Tyson (IRL)
Many of the Nine Titans, Porco shown above (Attack on Titan)