Odd Squad/Phineas and Ferb

Version 1
Agent Otto as Phineas

Agent Otis as Ferb

Coach O as Candace

Ms. O as Stacy

Agent Olive/Olympia as Isabella

Agent Olaf as Perry

Agent Owen as Jeremy

Backwards Bob as Buford

Version 2
Agent Otis as Phineas (both rhyme)

Agent Otto as Ferb

Ms. O as Candace (both boss ladies)

O'Donahue as Jeremy

Oscar as Lawrence

Oona as Linda

Mayor Macklemore as Monogram

Odd Todd as Buford

Version 3
Agent Olive as Candace

Agent Oscar as Phineas

Agent Otto as Ferb

Agent Otis as Lawrence

Agent Olympia as Linda

Shapeshifter as Buford

Version 4
Agent Olive as Candace

Backwards Bob as Phineas

Noisemaker as Ferb

Ms. O as Linda

Oscar as Lawrence

Agent Otis as Carl

Agent Otto as Buford

Version 5
Agent Olive as Phineas

Agent Olympia as Ferb

Agent Owen as Candace