I figure the best place to start posting here is with my current main OC.
This is Sitka, they are half fan oc, half my own thing oc haha
Right hand cat and kid of the mafia boss, Sitka is clever, manipulative, and reserved. They handle records, budgets, and a fair deal of covert information gathering missions.

Height: 5'11"
Age: 40
Personality: Sitka is a bit of a self-centered and arrogant cat. They are very intelligent and hardened from a life of crime under their father, the current mob boss of the universe they come from. Their job involved a lot of manipulation, intelligence gathering, and budget managing. Sitka always tries to get what they want, they're just a bit selfish that way. (Their kinder qualities are buried under the hard shell they've made being in their line of work.)
Abilities: Their primary magic typing is speed, they are incredibly fast and use that speed to put some extra oofm in their cat-clawing strikes. Being a skeleton, they can use magic ecto to fill out their body if/when they want to. They also bleed magic instead of typical blood.
Cat Breed - Siamese
Taken
Pansexual, Polyamorous
Original Universe - Undertale Mafia AU
Hobbies - Reading, Climbing, Camping, Free Running
Magic Scent/Flavor - Chocolate (this is an UT skeleton thing)
Voice Claim - Ken Ashcorp