I have lots of OC designs that I really love, but I can't come up with personality or backstory ideas for them :( any help?

https://toyhou.se/27660104.asher-shelley-oc
https://toyhou.se/30517269.ciaran-wilde-oc
https://toyhou.se/16298101.donovan-stoker-oc
https://toyhou.se/30291917.klaus-dreamwalker-oc
https://toyhou.se/31359913.lumino-oc
https://toyhou.se/12542562.valentine-strode-oc
https://toyhou.se/32591996.tbn