Rusan is a Russian male name. I am not Russian.
Depending upon a random urge - the profile picture is either:
Sir William Paterson (1658 - 1719), one of the founders of the Bank of England and principle character in the Darien Scheme (1698): the (failed) attempt to found an independent Scottish Empire in Panama.
"Slimer" from the hit 1984 film "Ghostbusters".
KP in full-nerd-flip-mode.