esper Warner Bros. SmashWarners
Yakko, Wakko, and Dot would actually be a pretty cool riff on Pokémon trainer.
I decided to go down the Wikipedia rabbit hole re WB properties, and there’s a gold mine here. To wit:
The NeverEnding Story
Ocean’s XX film series
Dumb and Dumber
Harold & Kumar
There’s a non-zero chance that some of these are already represented, but I will not verify this