Mitch is Meap's nemesis ("The Chronicles of Meap") and Ultron's Ally he have a plan to rule the galaxy and destroy the world he was defeat by meap and phineas's gang for 3 times then he move to galaxy hk6587 or 10th dimension to capture and destroy the world by team up with ultron
He appears in The List of Secrets as the secondary antagonist. He is first seen on the planet of secrets looking for the list, but is attacked by Meap and the list leaves with Phineas. He later blows up the planet. He is seen again when Phineas, Ferb, Isabella and Meap are dicussing Phineas' new found powers. He comes from The Masked Man to steal the list of secrets for him, but fails once again. He is later sentenced to death. When Phineas and the gang are captured, they are put into the same cell as Mitch, and Phineas formulates a plan with Mitch to escape. The plan works, but they are confronted by The Masked Man. After the conversation, Meap and Mitch send Phineas, Ferb and Isabella back to earth. Mitch then reveals that it was all a trick and kills Meap. He teleportes to Phineas to kill him, but harming is friends only angres him, causing Phineas to kill Mitch.
He is briefly featured as a minor character in Ad Astra 1: Encounter at Alpha Centauri as an antagonist who joins with a Sorunon reptilian to fight Phineas and Isabella in 2030; he is injured quickly and remains unimportant throughout the story. He is a member of "Species 1".
Mitch is Meap's nemesis. Meap keeps pictures of Mitch (one close-up and one mug shot).
in film Phineas & Ferb: Avengers 2 Age of Ultron Mitch also helping Ultron alongside pietro and wanda anyway in chase of Seoul Ultron and Mitch were betrayed by pietro and wanda that join the avengers that they have a change mitch and his minion also build ultron sentries army for ultron to destroy and capture the world but it fail by avengers mitch also escape the earth after ultron was destroy