Character Families

This is a list of the family members of the main characters.

Mordecai

 * Mordecai's uncle, Steve: Mordecai's uncle Steve was first introduced in Terror Tales of the Park II and was featured in Mordecai's story. He was possibly a bowler with an expensive tie, but he was killed after being accidentally knocked into the ball return by Mordecai.

Rigby

 * Rigby's younger brother, Don: First appeared in Don. He is an accountant and who Rigby is jealous of, but is now on good terms with him.

Benson

 * Benson's father: Seen in a flashback in "Think Positive". He teaches Benson that he will never get anything he wants if he doesn't yell for it.
 * Benson's mother: Seen in a flashback in "Think Positive". She scolds her husband for putting his elbows on his table while eating.
 * Benson's sister: Seen in a flashback in "Think Positive". It is unknown if she is older or younger than Benson.

Pops

 * Pops' father, Mr. Maellard: He is the owner of The Park.
 * Pops' mother or step-mother: Pops has a mother or step-mother, who may be dead or has a divorce with Maellard.

Muscle Man

 * Muscle Man's father, "Muscle Dad": Muscle Man has a father who is now deceased. He was a forklift driver.
 * Muscle Man's mother: Muscle Man has mentioned his mother in his "My mom" jokes, although she hasn't appeared yet.
 * Muscle Man's older brother, John: First seen in My Mom. He and Muscle Man prank Mordecai and Rigby for making fun of their mother. He is a trucker.
 * Muscle Man's uncle John: He is also shown to have an uncle named John, like his brother, who hasn't appeared yet.

Hi Five Ghost

 * Hi Five Ghost's father: First appeared in See You There, he helped Muscle Man and Hi Five Ghost prank Mordecai and Rigby.
 * Hi Five Ghost's older brother, Low Five Ghost: First appeared in See You There, he helped Muscle Man and Hi Five Ghost prank Mordecai and Rigby. He is currently in jail.

Skips

 * Skips' cousin, Quips: Introduced in "Quips".

Thomas

 * Thomas' mother: Thomas talks to her on the phone in Exit 9B and in Starter Pack.

Margaret

 * Margaret's father: Mentioned in Do Me a Solid. He seems to be a huge fan of golf as he used to play mini golf with Margaret often when she was a child. Margaret has a close relationship with her father as her phone password is 'Daddy's Girl' as seen in Butt Dial. His first apperance was in Family BBQ.
 * Margaret's mother: Mentioned in Diary, where Margaret goes to visit her and her father. Her first appearance was inFamily BBQ.
 * Margaret's cousin, John: First seen in Yes Dude Yes. He is an amputee and currently uses a prosthetic leg made of metal.