O2MO (Korean: 오투모, IPA: /ŋo tʰu mo/, romanized "ngo tu mo") is a fictional robotic character in O2Jam. O2MO serves as O2Jam's mascot.
O2MO is characterized by a large elliptical head, wearing large blue headphones with orange conical frustum-shaped earpads, two robotic eyes, the text 'O2Media' in the forehead, floating hands, three sharp conical fingers in each hand, blue thin cylindrical legs, and blue / white feet. He also has a logo in his body (probably the O2Planet logo). His body takes on the shape of a Utah teapot.