He's a cunning yet easygoing conman who refers to himself as "your good pal, Sampo Koski!" Despite his initially outgoing and friendly demeanor, he's both sly and sleazy, and seems to be able to get away with anything. He tends to resort to any means to get his way, whether it be flirting, fighting, or theft. He's obsessed with making money, though he realizes that some things are more important. He always seems to get himself into troublesome situations, but gets out just as easily.