If Crossed counts as guro you should check "Superjail" which must be the bloodiest cartoon ever. (with the ugliest characters ever LOL)

There are quite a few anime and manga series with a serious level of gore.

There is a "Mai-chan's Daily Life: The Movie" loosely based on the same manga and some others from the same producer
https://www.binged.com/person/sade-sato/
Also, there are some old movies that I have but that would be too many to list
One interesting example is "Let the blood run free" which is a comedy just as bloody as superjail.