DISCLAIMER: I DID NOT MAKE THESE! I merely found them and wished to share.
http://www.youtube.com/watch?v=KxpWvh9SuqA
http://www.youtube.com/watch?v=wEJv9FAJUIQ
http://www.youtube.com/watch?v=yoWadiBjlFE
http://www.youtube.com/watch?v=mq_v05yMkZc
http://www.youtube.com/watch?v=k4ltObJQaPM
Two are Caramell Dansens, one is the Lucky Star opening with D.Gray-man characters, one is the Ouran High School Host Club opening with D.Gray-man characters, and one is..................well, I don't know what it is, but it's cute! xd whee