Under the right circumstances I think Aku could have been an awesome dorky villain dad. Still ruthless tho. Probably more ruthless if he thinks his daughters are in danger.
“So are you claiming her an Heir to your kingdom, despite you own daughters before you? Think carefully. Think what power that creates.”
“Mhhhh…”
“Why do you have such a vested interest in Azura becoming a princess to begin with?”
“I kidnap princesses, stuff them in crystals, and suck off energy of being a royal to fuel my war machines and doomsday devices.” He said that with no remorse, no fear, and full confidence.
“—!!”
Aku flinched as if he’d just been sprayed in the face with cold holy water.
“NO DAUGHTER OF MINE SHALL EVER SERVE AS YOUR BATTERY PACK, YOU DETESTABLE TIN CAN!”