Gyrthwho

Gyrthwho is a fictional character who appears in the animated television series "The Grim Adventures of Billy & Mandy". He is an alien character who hails from the planet Gorthon. Gyrthwho is depicted as being highly intelligent and technologically advanced, often providing exposition or technical explanations within the context of the show's often absurd plots. His appearance is typically that of a small, green, bulbous-headed alien with large, expressive eyes. He often wears a silver suit.

In the series, Gyrthwho's role is often that of a knowledgeable observer or reluctant participant in the chaotic adventures of Billy, Mandy, and the Grim Reaper. He is known for his calm demeanor, which contrasts with the more boisterous personalities of the main characters. Despite his advanced origin, Gyrthwho frequently finds himself caught in the mundane or bizarre situations that define the show. His species is implied to be quite numerous, though Gyrthwho himself is the primary representative seen in the series. He occasionally exhibits fear or exasperation at the actions of Billy and Mandy, highlighting the extreme nature of their behavior. His limited appearances are usually tied to plot points requiring extraterrestrial involvement or a source of exposition.