Its Normay 'Ian Thorpie' Rat...

Stowaway Rats Colonized the Earth: "Norway rats – also known as cellar rats, sewer rats or wharf rats – are the invasive rat seen most often in Alaska. Norway rats are not from Norway; they originated in temperate and northern regions of Asia and were spread world-wide on sailing ships.

Those common names are insightful, Norway rats thrive around water and are excellent swimmers. Tests have shown that Norway rats can swim for 50 to 72 hours in 35 degree water before exhaustion; they can dive and swim underwater for 30 seconds, and thus they can readily swim through the water seal of a toilet to enter a house. "

wow hes a gold medal winner alright....