Rappu  

Kiiltopää, ラップ

In episode 72 of the series, we are introduced to Rappu, a young dolphin who finds himself stranded on the beach. He is unable to return to the sea on his own, so Moomintroll and Snufkin come to his aid. Eventually, Rappu reunites with his mother and says goodbye to his new friends. A year later, he returns to meet up with Moomin and Snufkin once again.