U Group

o Ududu (1076) - Canada
o Uhu-Man (1158) - Perancis
o Ultra (2099) Heroine, Inc. -
o Ultra Girl (2489) New Warriors, Initiative
o Ultramagnis (2678)
o Ultraman (1077) - Canada
o Ultrawoman (2357) Guardian Guild
o Ultrax (1016) - Brazilia
o Uncle Sam (697) Freedom Fighters
o Undersea Agent (1904) T.H.U.N.D.E.R. Agents
o Underwear Man (1714)
o Unicorn (2208) Thunderbolts Army, Initiative
o Union Jack (778) Invanders
o Universal Man (907) Incredibles, The
o U.S. Agent (690) Force Works, West Coast Avengers, The Jury, S.T.A.R.S., Invaders dan Omega Flight - Amerika
o Ullysses Bang (544) The Tick
o Ultimate Iron Man (365) The Ultimates
o Ultimate Ninja (814) Legion of Net. Heroes
o Ultra Father, The (380) Ultraman - Jepang
o Ultra Q (156) Ultraman - Jepang
o Ultraman (026) Ultraman - Jepang
o Ultraman 80 (163) Ultraman - Jepang
o Ultraman Ace (159) Ultraman - Jepang
o Ultraman Agul (379) Ultraman - Jepang
o Ultraman Cosmos (170) Ultraman - Jepang
o Ultraman Dyna (168) Ultraman - Jepang
o Ultraman Gaia (169) Ultraman - Jepang
o Ultraman Great (164) Ultraman - Jepang
o Ultraman Jack (158) Ultraman - Jepang
o Ultraman Jonias (162) Ultraman - Jepang
o Ultraman Justice (378) Ultraman - Jepang
o Ultra Lady (172) Ultraman - Jepang
o Ultraman King (377) Ultraman - Jepang
o Ultraman Leo (161) Ultraman - Jepang
o Ultra Mother (173) Ultraman - Jepang
o Ultraman Nexus (171) Ultraman - Jepang
o Ultraman Neos (374) Ultraman - Jepang
o Ultraman Nice (373) Ultraman - Jepang
o Ultraman Powered (165) Ultraman - Jepang
o Ultraman Taro (160) Ultraman - Jepang
o Ultraman Tiga (167) Ultraman - Jepang
o Ultraman Zearth (166) Ultraman - Jepang
o Ultraman Zoffy (376) Ultraman - Jepang
o Ultraseven (157) Ultraman - Jepang
o Ultraseven 21 (375) Ultraman - Jepang
o Underdog (381) - Amerika
o U-Go Girl (1538) X-Statix - Amerika
o Untara (019) - Indonesia
o Urbanus (968) - Belgia
o Uri Oan (1191) - Israel
o Uri Oan (2462)
o Ursa Major (2204) Winter Guard, People's Protectorate, Soviet Super-Soldiers, Siberforce
o Urth (2259) Urth 4, Earth 4
o Usagi Yojimbo (Miyamoto Usagi) (2023)