Ronald McDonald

Ronald McDonald is Harry Pothead's best friend. As such, he appears in most of the movie.

He seems to have a strong affection for beans.

Personality
He's arrogant and rude, and constantly makes strange gestures. He is annoying to the point that his friends considered killing him. Harry suggests they "get rid of" him, to which Hermite responds "he's important to the plot" and stops him.

He is shown to have some level of knowledge about his own existence. This may be why he's absent from Harry Pothead Chronicles. The Man might not have liked his meta-knowledge and decided to remove him from the story.

Trivia

 * His name, Ronald McDonald, is an obvious reference to the mascot of McDonald's.