Most crazy anime you've seen?

Bleach. started out nice but it got so shit it's crazy!

Bokusatsu Tenshi Dokuro-chan.
Nuff said.

https://www.youtube.com/watch?v=CdD0f6_fn7s

DYE fantasy after the video WtFFFF

Since some of the " weird" stuff have already been mention I'll leave 'em out. But...

Atama Yama
Franz Kafkas " A Country Doctor"
Digital Juice
Gosenzo-sama Banbanzai!
Kaiba
Memories
Midori: Shoujo Tsubaki
Noisy Birth
Serial Experiments Lain
Robot Carnival
Ichi The Killer
Kanashimi no Belladonna
AniKuri
... Sorry forgot to mention " comedy" the short anime!

Are the first ones that come in my mind, pretty sure that there were more... can continue checking my list for more if interested!

Edit: Just came in minde. If you like/d Dead Leaves you shuold also try " Red Line"

Nazo No Kanojo X

detroit metal city

I think you should have define better "crazy". To me a gory anime is not crazy, it is just gore. But fuck, Bakemonogatari and the Monogatari series.... When i started to watch that, my face was WTF all the time, then i just get used to the weirdness and now i love it :D

boku no pico ruined my life. Eiken killed my grave and boku to chiko killed my corpse

ME!ME!ME!, watch it, it's just a short 6min vid

Ichi The Killer: Episode 0

Pupa & Kemonozume ... jesus... xD

View attached image.

Not sure if someone already mention this one, but...Cromartie High School..