The original theme song to Attack on Titan (check it out here) is pretty much perfect - and, best of all, it's adaptable enough that it goes with pretty much ANYTHING - and makes everything 100x more epic.

 

Indian film, Shakti

 

PBS' Arthur

 

Super Mario Bros. 3

 

King of the Hill

 

Pikmin

 

"Weapon of Choice" - starring Christopher Walken

 

Pingu

 

Winnie the Pooh

 

4chan

 

Team Fortress 2