Utgard-Loki

Gender: ♂
Individual of: Asgardian Entities, Frost Giants

Features
Essential Official Handbook of the Marvel Universe Update '89 #1.FT
The Official Handbook of the Marvel Universe Update '89 #8.FT
Thor: Asgard's Avenger #1.FT

Utgard-Thor

Gender: ♂

Utopia Island

Alias of: Asteroid M
Headquarter of: X-Men (I)

Features
Heroic Age: X-Men #1.FT
X-Men Earth's Mutant Heroes #1.FT

U-tu (WhatThe)

Gender: ♂
Spoof of: Uatu the Watcher (I)
Universe/Dimension/Timeline: Whattheverse

Main
Howard the Duck TPB: The Complete Collection #4
What the -- ?! #5
What the-?! Omnibus (HC) #1