Gregg is talkative, exuberant, and rebellious. He is a very punk-like character. But despite his loud and optimistic demeanor, Gregg has a fear that he may accidentally ruin his relationship with Angus. It's stated by Bea directly that he probably has bipolarity to some degree, and even Gregg himself has mentioned having "really up up days and really down down days". Gregg had also said that most of the time he can't tell what kind of day it's been until it's over. He is also known to be very excitable, frequently expressing said excitement by shouting or flapping his arms rapidly. However, he has also been seen to have poor impulse control.

Though he's a troublemaker, he cares about his friends and is willing to help them out when they need it. He frequently asks how they're doing, and isn't afraid to express the fact that he cares about them. He has serious moments as well, and has messaged Mae on occasion telling her that he's having a rough day. Gregg has expressed a concern that he's not sure if he's a good person, as well as a fear that he's going to mess up what he and Angus have. He states that he tends to lie awake at night while thinking about what he dislikes about himself.
ROLE SIZE: LARGE