Xemnu
Xemnu (Marvel) appears in 8 issues in grailworth's catalog, and was first published in 1960.
Every appearance we value
Annihilation: Conquest (2008) 1 issue
Incredible Hulk (1962) 1 issue
Uncanny X-Men (2012) 1 issue
Uncanny X-Men (2013) 1 issue
Character appearances from the Grand Comics Database, CC BY-SA 4.0.