|Portrayed by Jimmi Simpson|
|Family|| Ryan McPoyle (brother)|
Margaret McPoyle (sister)
Doyle McPoyle (brother)
| Images of Liam McPoyle|
Liam McPoyle Quotes
Liam McPoyle is a member of the McPoyle family.
Liam is in an incestuous relationship with his brother and sister, and he also likes to watch his siblings have sex with other people. Like his siblings, Liam likes to crank the heat so he is constantly sweaty. His attire of choice is underwear and a bathrobe. His favorite drink is milk. The McPoyles all have a deep hatred of the gang, and make life miserable for them when they have the chance.
Liam and Ryan accused Coach Murray of sexually molesting them when they were in elementary school. Upon hearing this news, Charlie grew concerned and visited the McPoyle's apartment. There, he told them he knew they were faking, but they threatened to turn him in as the ring leader if he didn't go along. They watching his mother hold an intervention for him, but Charlie later ratted them out to the police, who had them arrested. ("Charlie Got Molested")
- Season One: "Charlie Got Molested"
- Season Two: "Charlie Goes America All Over Everybody's Ass"
- Season Three: "The Gang Gets Invincible", "The Gang Gets Held Hostage"
- Season Six: "Who Got Dee Pregnant?"
- Season Eight: "The Maureen Ponderosa Wedding Massacre"
- Season Nine: "The Gang Squashes Their Beefs"
- Liam is a left-hander. ("The Maureen Ponderosa Wedding Massacre")