Chazwick Thurman/History

Past
Prior to the start of the series Chaz had become an associate of Crimson's mafia. During this time, he initiated a romantic relationship with Moxxie, Crimson's son. The relationship ended following a failed bank heist when Chaz abandoned Moxxie rather than attempting to rescue him, and Moxxie was arrested.

Sometime either before or after these events, Chaz had also engaged in a romantic relationship with Millie. It is not known how this relationship ended, only that Millie holds an extremely negative opinion regarding her time with Chaz when reminded of it.

Some time before "Exes and Oohs" Chaz concocts a plan to marry into Crimson's family to allow him to acquire his wealth and convinces Crimson that he is rich to do so.

"Exes and Oohs"
Chaz runs into Millie in the Pride Ring and later arrives at Crimson's mansion to discuss bringing him into the family.

He later meets Moxxie in his room where he attempts to seduce Moxxie. When his seduction fails and he is kicked out of the room, Chaz attempts the same on Millie, failing again, and then arriving at Blitzo's door where he convinces him to have sex.

The next day Chaz is part of the wedding where he is being married to a tied-up Moxxie until Millie crashes the wedding to rescue Moxxie and take him and Blitzo home. As Blitzo is taken away he exposes to Crimson of Chaz's deception and lack of any money, infuriating him.

Later, Chaz is killed and his teeth and jaw are mounted by Crimson in his mansion.