Dima is a RP character. He's a young dutch sailor in the XVIIIth century. During a travel in the caribbean, his boat was attacked and sunk by mermaids. Injuried to the head, he was about to drown, when the queen of mermaids take him and make him an offer he can't refuse. She transform him, and he becomes her servant. Centuries passed, and he's finally happy of his fate. A little amnesic, he behaves as a big child.
Dima is the abbreviation of his old name : Dirk Mannlicher.