Scary Teeth

Anime and Manga

 * The titular character of Soul Eater and Giriko both have mouths entirely full of pointed teeth, neither of which is ever commented on.
 * Moral from Hamatora has shark-like teeth.
 * Eijiro Kirishima from My Hero Academia has shark-like teeth, to fit with how his entire body gets sharp-edged whenever he uses his Hardening quirk.

Western Animation

 * The unsuccessful pilot for the Wacky Races revival series Wacky Races Forever depicts the villains, Dick Dastardly and a new character called Viceroy, as having ugly and neglected-looking teeth.