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John "Muscle Bro" Sorrenstein is a recurring character, who first appeared in the Season Two episode "My Mom".

Appearance[]

Even though Muscle Man resembles a zombie, monster, or a disfigured humanoid with green skin, his brother has pale skin and resembles a tall, plump, grown man.

History[]

It is revealed that he's older than Muscle Man because he calls him 'little brother' on the radio. He arrives to teach Mordecai and Rigby a lesson on making fun of their mom, though this was simply a prank they had planned. He also appears in "Trucker Hall of Fame", where he delivers the grim news of Muscle Dad's death to Muscle Man, and then he's seen in a flashback where he strikes a piñata and scorpions fall on him. He also makes a cameo appearance in "Pie Contest". He reappears in "Trailer Trashed" where he helps Muscle Man save his trailer with his truck. He later joined his brother in the prank in “The End of Muscle Man”, however, he left in anger with all the other infuriated park employees after they’ve learned about his prank. He later appeared as the guest at his brother’s wedding in “Dumped at the Altar”. After this, he became completely absent in Season 7 & 8.

Appearances[]

Season Two[]

Season Three[]

Season Four[]

Season Five[]

Season Six[]

Trivia[]

  • Unlike Muscle Man and their parents, he looks more like a human being.
  • His hair looks like the hair on the picture of Muscle Man's mom, which was shown to Mordecai and Rigby.
  • He bears a resemblance to Lolly Poopdeck from The Marvelous Misadventures of Flapjack which JG Quintel also worked on, as well as Carl Brutananadilewski from Aqua Teen Hunger Force.
  • It is revealed in "Trucker Hall of Fame" that he was pranked on his birthday when Muscle Dad and Muscle Man put scorpions in his piñata instead of candy.
  • He Was Voiced By Steve Blum The Same Actor That Played Galak Fyyar From Jedi Outcast, Shadowbuilder From Shadowbuilder & Sven Kuechler From Age Of Empires 3 The Warchiefs.

Gallery[]

Season Two[]

"My Mom"[]

Season Three[]

"Trucker Hall of Fame"[]

Season Four[]

"Pie Contest"[]

"Trailer Trashed"[]

Season Five[]

"Every Meat Burritos"[]

"The Thanksgiving Special"[]

Season Six[]

"Terror Tales of the Park IV"[]

"The End of Muscle Man"[]

"Dumped at the Altar"[]

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