John "Muscle Bro" Sorrenstein
Biographical Information
Occupation:	Unknown
Species:	Human
Gender:	Male
Hair color:	Brown
Relatives:	Muscle Dad (father) Muscle Man's Mom (mother) Muscle Man (younger brother)
Show Information
Voiced by:	Steven Blum
First appearance:	"My Mom"
Latest appearance:	"Pie Contest"

John Sorrenstein is a character who appeared in the episode "My Mom".

DescriptionEdit

Even though Muscle Man resembles a zombie, monster, or a disfigured humanoid with green skin, his brother has pale red skin and resembles a tall, plump, grown man. 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. He also appears in "Trucker Hall of Fame", where he strikes a piñata in a flashback and scorpions fall on him. He also makes a cameo appearance in " Pie Contest ".

He was voiced by Steven Blum.

AppearancesEdit

• My Mom
• Trucker Hall of Fame
• Pie Contest (cameo)

TriviaEdit

• He is obese and has a muffin top like Muscle Man.
• Unlike Muscle Man and their father, he looks more like a human being.
• John is the third family member to appear at the park; the first is "Don" and the second is Mr. Maellard. The forth and fifth are Low Five Ghost, and Hi Five Ghost's Father.
• His hair looks like the hair on the picture of Muscle Man's mom, who shows Mordecai and Rigby.
• He bares a resemblance to a Lolly Poopdeck from The Marvelous Misadventures of Flapjack, which JG Quintel also worked on.
• His legs are oddly long for his body.
• In "Trucker Hall of Fame", Muscle Man calls him Muscle Bro.
• It is revealed in "Trucker Hall of Fame" he was pranked on his birthday when Muscle Dad and Muscle Man put scorpions in his pinata instead of candy.
• He didn't appear and didn't help Mordecai, Rigby and the park workers to fight the villains in Exit 9B.

GalleryEdit