all of these are based off self insert lore, kin feelings, or Vibes

familial:

• withered bonnie (parental)(fnaf)
• ballora (parental)(fnaf)
• genji shimada (sibling) (overwatch)
• optimus prime (parental) (transformers)
• ratchet (parental) (transformers)
• drift (parental/sibling) (transformers)
• bumblebee (sibling/uncle) (transformers)
• the terrans (siblings) (transformers)
• cuphead & mugman (siblings) (cuphead)
• eda clawthorne (parental) (toh)
• luz noceda, king, & hunter (siblings) (toh)
• stan & ford pines (uncles) (gf)
• dipper and mabel pines (cousins) (gf)
• fiddleford mcgucket (grandpa) (gf)
• sans & papyrus (siblings) (undertale)