Originally was going to do everyone, but I burnt myself out after doing either half or a third, not really sure.

Bruce and Tim - Bi
Bernard - Vincian
Damian - Omni
Jon - Vincian
Cass - Casssexual & cassromantic
Jason - Transmasculine & aro
Creeper - Omni & vincian
Edward Nygma - Transmasculine, vincian, & polyamorous
Abner and Oswald - Vincian
Joker - Pan
Harley - Acorhomosexual, lesbian, & polyamorous
Poison Ivy - Poly & polyamorous
Floyd - Polyamorous
Ra's al Ghul - Vincian & apothisexual
Ubu - Intersex & heteroflexible vincian