Mr. Fitz is Boating School's Superintendent. He looks at student's records. He is an important man to boating school but he only appears in Mrs. Puff, You're Fired. He was the man who also hired Sergeant Roderick, a very strict boating teacher.
Mr. Fitz is a tall fish with a big, black mustache. He has a green shirt with a purple neck tie. His physique is quite solid. He has big, slightly droopy eyes and green pants.
- He was voiced by Dee Bradley Baker.
- He is the Boss of Mrs. Puff.