Just some silly little head canons if they like human or something.

Duke DeTain:
. Has ASD (Autism Spectrum Disorder)
. Mixed race (half black half white)
. Trans
. Homoromantic Demisexual
. Child of divorce
. Daisy's Brother
. 26

Wheeler:
. Taiwanese-American
. Has daddy issues
. Bisexual (male lean tho)
. Uses Skater slang as well as Modern slag
. Mom is dead, her death caused a shift in relationship between wheeler and his father
. Unironically likes Among us still
. Anime fan
. 38

Harl Hubbs:
. White...
. Pansexual
. 29
. Tippy's Boyfriend
. Slight Savior complex
. Kinda of chubby

((If you have any other headcanons you think I'd agree with comment down below))