Favorite Anime Opening or ending

Here let's just have a collective point for everyone's favorite Opening or Ending to an anime. Please keep it to the actual opening/ending time and not the Full length songs as I feel those should be in the music thread. As to start this off I have had this stuck in my head for a bit.

Eden of the East (TV series) Opening.

I loved Eden of the East

I always liked the Log Horizon opening. Dunno why.

Dissapointed that this hasn't been posted yet dayum.

good one rikka and senka but if we go for certain mainstream titles I do all ways love anything by this artist.

The video itself is standard fare, but holy shit I love Egoist

Groovin magic will always be my favourite, but here are some of the best.
Fuck yeah

That probably takes the cake for my favorite OP, but here are some honorable mentions.

SONSOFBITCHES SONSOFBITCHES SONSOFBITCHES SONSOFBITCHES

Too cute.

<3

Wow there's so many of them I love.

Favorite OP is a tie between Angel Beatz and Watamote.

Favorite ending is Dango from Clannad.