It looks like another X-Club appearance for MadJeff!

Very tiny on this page

http://comicbookresources.com/prev_i...?pid=4721&pg=7

and a little bigger on this page

http://comicbookresources.com/prev_i...?pid=4721&pg=8

It's hard to tell what he's doing, but it seems as if he's working with Dr. Rao on one page and explaining some sort of science thingy to Rogue on the other page.

Love,
rplass