For the Professor O heard in the Odd Squadcast, please see Professor O (Odd Squadcast).
Professor O is an agent from the Big Office who administers the O Test, which tests Squad leaders' knowledge of all things odd.
Appearances
Season 1
- "Invasion of the Body Switchers" (debut)
Trivia
- He is now currently in the body of a Friggle Frog, and the Friggle Frog is in his body.
