Nyeh Cat!

Steven Universe Gifs:
http://joelerhart.tumblr.com/post/150659070252/animated-steven-universe-gifs-from-nyeh-cat

Other Gifs
http://joelerhart.tumblr.com/post/150659206862/a-few-other-gifs-from-the-nyeh-cat-video-ill

Thumbnail and other still Images:
http://joelerhart.tumblr.com/post/150660212592

The next video is Ode to Villains - ♪ Lord Dominator's Theme

I also animated the fact core with other cameos:
Portal 2 Fact Sphere Quotes - [Animated]

The Peridot / Meowth / Nyan Cat Fusion is from Pokemon Mashups Episode 1

Cameos in the order they appear:
[Eyeball] Ruby & Steven (Steven Universe)
GIR (Invader Zim)
Space Core (Portal 2)
[Eyeball] Ruby again
Temmie(s) (Undertale)
Flying Princess Pony Head (Star vs. The Forces of Evil)
Kirby
Catbug & Jelly Kid (Bravest Warriors)
Bananaman (Adventure Time)
Lord Dominator (Wander Over Yonder)
BB8 (Star Wars)
Dwarf (Stardew Valley)
Tardis (Dr.Who)
Time Baby (Gravity Falls)

Special thanks to Madeleine Wynne for final colour critique.