"Tivor" was kind of that, by way of Inspector Gadget and Gumby. I remember reading another where HP somehow ended up quasi-adopted by both UNCLE and KAOS. And a more Marvel blended one where Hermione was the daughter of HYDRA's dentist and a much moee satisfying archnemesis, even if they were constrained to work together during the school year.
Obviously, none were very serious fics.
--
"Anko, what you do in your free time is your own choice. Use it wisely. And if you do not use it wisely, make sure you thoroughly enjoy whatever unwise thing you are doing." - HymnOfRagnorok as Orochimaru at SpaceBattles
woot Med. Eng., verb, 1st & 3rd pers. prsnt. sg. know, knows
Obviously, none were very serious fics.
--
"Anko, what you do in your free time is your own choice. Use it wisely. And if you do not use it wisely, make sure you thoroughly enjoy whatever unwise thing you are doing." - HymnOfRagnorok as Orochimaru at SpaceBattles
woot Med. Eng., verb, 1st & 3rd pers. prsnt. sg. know, knows