- For other characters that are refered as Guy', see Guy (Disambiguation).
He only appeared in SM64 Bloopers: Shy Guy Showdown. He dies after getting distracted by a Shy Gal, allowing Mario to blow him up with the cannon he deployed.
- As discovered in the blooper, he likes "big butts", even likes Shy Gals.
- His design is a reference to Kenny McCormick from South Park.