Major Monogram is Agent P's, Agent B's, both Agent T's (Terry and Tori) and other agents commanding officer, and gives each of them their missions in each episode of the series they're in (ie: Agent P, Phineas and Ferb. Agent L, Coyoteas and Cerb. Agent B. Agent T: fill in if you want to). Helping him transmit the messages is his intern, Carl.