Harlequin

Harlequin is a Heloseptran from the planet Heloptra. It is an alien in Ben 10: Omnifinity. It was the alien that Ben was in when he found the Omnifinity.

Powers

 * It can fly
 * It can read minds
 * It can stay submerged in water for a long time
 * It has a sharp horn on its head

Weaknesses

 * Fire
 * It can't run very fast
 * It has bad eyesight