Alias
The Chosen One, Avatar of the Green, Black Avatar, Nekron, Swamp Thing, The Good Gumbo Man, Erl-King, The Flayed God, Xipe-Totec, Prime Founder Earth's Elemental, Doctor Holland, Guardian of Nature, Bog Monster, Journeyman, Devil-Man, The Swamp God
Dr. Kirk Langstrom Dr. Langstrom Kirk Langstrom Kirk Langström Robert Kirkland