Writing Trope: Sillier initial villain is manipulated by scarier serious villain and later joins forces with good guys to fight that villain

-Vegeta and Frieza from Dragon Ball Z

-Gideon and Bill from Gravity Falls

-Peridot and Yellow Diamond from Steven Universe

-Zuko and Firelord Ozai from Avatar: The Last Airbender

-Ludo and Toffee from Star Vs. The Forces of Evil

-Pretty much everyone and Flowey from Undertale (Pacifist Route)

-Mitt Romney and Donald Trump from American Politics 

The True Antagonist (Current)

Disney

Lord Dominator - Wander Over Yonder

Originally posted by little-black-cube-of-sunshine

Bill Cipher - Gravity Falls

Originally posted by cat2bkittenme

Toffee - Star vs The Forces of Evil

Originally posted by stevarogers

Cartoon Network

Yellow Diamond - Steven Universe

Originally posted by natsgifs

The Lich - Adventure Time

Originally posted by nacapito