Okay, here's some examples of things I've done before-

Amber (my Creepypasta OC)

Sadie ( @Voltronuser2 's oc)

Timothy Wright (Cannon character from Marble Hornets)

Ticci Toby (cannon character/ Creepypasta)

Sadie (OC) x Ticci Toby (cannon character)

Zoe (OC from @-Mxrtal ) x BEN_DROWNED (cannon character)