DEATH BATTLE

DEATH BATTLE is an online web-series dedicated to pitting two fictional characters together to see who would win. They have done multiple episodes involving My Little Pony: Friendship is Magic characters.

References in My Little Pony
A possible reference was made in a comic cover with Rainbow Dash and Starscream chilling together, notably not killing each other.

Other connections

 * Jason Michas, voice of Ragamuffin appeared in an episode of DEATH BATTLE, reprising his role as Bucky O'Hare.
 * Equestripedia Admin Jordan was indirectly mentioned in the behind-the-scenes episode of Raven vs Twilight Sparkle, due to a calculation he did for Twilight Sparkle's top speed. Despite the calculation being widely accepted as both consistent and mathemically sound, the cast of DEATH BATTLE as being stupid.