If Cartoon Villains were Actually Smart

In cartoon and movies, villains/antagonists always lose by

Phineas and Ferb
TBD

MLP: Equestria Girls: Rainbow Rocks
(As the human 6 and Sunset arrives to sing, they noticed they're too late.)
 * Adagio: Oh hey. We decided to sing early before you guys came here to defeat us and now we took over this world. Also, we destroyed the mirror and your powers so none of you could escape or defeat us.

DuckTales
TBD

Milo Murphy's Law
TBD

Gravity Falls

 * Bill:

Star Vs the Forces of Evil
TBD

TBD
TBD

Wander Over Yonder
(Suddenly

Spongebob Squarepants
TBD

Miraculous
TBD

My Little Pony: Friendship is Magic
TBD

TBD
TBD

Note
Suggestions are accepted