Bozo the Clown
- Bob Bell (1961-1984)
Joey D'Auria (1984-2001)
The main star and host of the show.
- Deadpan Snarker: Can have shades of this.
- Every Episode Ending: The Grand March.
- Friend to All Children: Comes with being a .
- Game Show Host: For the Grand Prize Game segment.
- The Trickster: Especially in his cartoon show.
Cooky the Cook
- Roy Brown (1968-1994)
His sidekick cook. He also shows the prizes to the contestant on Bozo's Grand Prize Game.
- Butt-Monkey: Cooky often got the wrong end of his various failed attempts to trick or beat Bozo at something, often ending with a pie to the face.