Andy
Andy, the main protagonist, a down-on-his-luck musician who finds himself forging an alliance with his nephew Errol.
Errol
Errol, Sam's nerdy 12-year-old son and Andy's nephew.
Sam
Andy's older sister, Errol's mother, Ben's ex-wife and Bruce's girlfriend. A recovering addict who wants what's best for her son.
Ben
Errol's father, Sam's ex-husband and Veronica's fiancee.
Bruce
Sam's boyfriend, Tiff's ex-stepfather and Andy's friend.
- Papa Wolf: When Tom calls Tiff "Shrek" to Bruce's nickname "Donkey", Bruce gets mad at Tom and punches him, sending him flying into his son's football birthday cake.
Tiff
Bruce's ex-stepdaughter and Errol's best friend.
Gwen
Andy's ex-girlfriend, Val's daughter and Casper's girlfriend.
Val
Gwen's father and the owner of COX, a local gay club.
Casper
Andy's frenemy, Gwen's boyfriend and bassist of an unidentified band.
Joan
Ben and Rex's mother, Errol's paternal grandmother.
Rex
Ben's brother and Errol's paternal uncle who works as a paediatrician in Africa.
Jane
Andy and Sam's mother, Errol's maternal grandmother and Uncle Frank's sister. She gets divorced from Neville in Series 3.
Neville
Andy and Sam's father, Errol's maternal grandfather and a folk singer.
- Bi the Way: In his only episode, Andy and the rest of the boys take him to a post-divorce stag-do in the bowling alley, only for Val to come with them. Neville and Val start flirting with each other, hinting that Neville is at least bisexual, as he explains to Andy later:
- Andy: Dad, you realise Val's a man?
- Neville: Expand your mind, son. Val is a sexual being. I don't care which side of the pommel horse they land on as long as somebody's getting pommelled.
Veronica
Ben's rich girlfriend.
Frank
Andy and Sam's maternal uncle and Errol's great-uncle. Is shown to be dying of Stage 4 lung cancer in his only episode, and is mentioned as dead in later episodes.
Diane
Luca
Ruby
Shelley
Melodie
Teresa
Roopesh
Eclipse
Alfie Foster
Tom Foster
Andy’s enemy, an obnoxious Bentley dealership owner and the father of Alfie Foster, Errol’s school bully.
- Entertainment Below Their Age: Tom often insults people by coming up with nicknames based on characters from kid's animated films. when Andy asks him if he watches films that aren't rated U, he says that when you have a kid, you have to understand the sacrifices that must be made.
- Jerkass: He is a very obnoxious man who often brags about his Bentley, makes fun of Andy and Bruce by nicknaming them after cartoon characters and bullies Andy mercilessly.
- The Nicknamer: Often nicknames people after cartoon characters from children’s films in a mocking manner; like Monsters, Inc. for Andy, Donkey and Shrek for Bruce and Tiffany; and Ratatouille for Errol. He is also nicknamed as Buzz (Lightyear) by his friends. Andy retaliates this by calling his son Alfie “the fat kid from Up” when he bullies Errol. In his last appearance, he calls Andy and Errol “Baloo and Mowgli”.
- The Precious, Precious Car: In part of owning a luxury car dealership, he owns a Bentley, which he values very preciously and boasts about it in front of Andy and his friends. Later, when Andy, Bruce, Errol and Tiffany run out of the party, Tom is enraged after he finds that Andy has scratched a massive dick onto his Bentley.
- Screw the Rules, I Have Connections!: In "7 Minutes In Heaven" it is revealed that according to Melodie, Alfie and Errol's teacher, his son is virtually "untouchable" because Tom is on the board of governors; thus vetoing Andy's hope that Alfie would get expelled for locking him and Melodie in the storeroom during the school's Halloween party.
