Marcello (also spelt Marcelo) is the Hammerhead Shark Prince and cousin to Tubarina and Veto in the animated series. He moved to the Shark Palace while his parents, the Hammerhead King and Queen, are touring the Farlands with the hammerhead sharks. Marcello likes to tease girls, cause trouble and to always win first prize in sports competitions, but in spite of this, he is actually good-natured.