I don't know who's in the middle or the far right of the bottom row.

Hellbus said:

I don't know who's in the middle or the far right of the bottom row.

Houjuu Nue is in the middle of the bottom row, no idea who the guy is.

ADT555 said:

Houjuu Nue is in the middle of the bottom row, no idea who the guy is.

It's Professor Monster from Toei's Spider-Man series.
Not sure if he has another tag here or if this really is the only image of him on Danbooru.