Joker (Persona 5)

Joker is an occasional background character that appears in Workin' Stiff and Friends. He appears in two episodes with a speaking role, "The Toronto Raptors Special" and "Stiffy's Kitchen". In later episodes, he is a background character.

Creation
Joker is actually called "Protagonist", as Joker is just his codename. He debuted in the 2016 RPG game, Persona 5, as the leader of "The Phantom Thieves", a group that changes hearts through fighting. He was created by Shigenori Soejima.

In Workin' Stiff and Friends, he is a background character, a character who is just included as a gag.

Role in Workin' Stiff and Friends
In Workin' Stiff and Friends, Joker is a background character. Despite this, he appears in two episodes with a speaking role.

The Toronto Raptors Special
In "The Toronto Raptors Special", he is seen near the end of the episode, asking Workin' Stiff to give back his mask.

Stiffy's Kitchen
In "Stiffy's Kitchen", he is a victim of the restaurant, as he eats a fattening salad. Yusuke Kitagawa, his "friend" in the series, rages at Workin' Stiff for fattening up Joker. Workin' Stiff calls up "The McTow Truck Company" and Ronald McDonald him out of the restaurant and into McDonald's. He does so the same with Yusuke, as he gets fat too. At the end of the episode, Joker and Yusuke are fat, along with Workin' Stiff, Workin' Hard, and Workin' Lazy.