Allen Adam (Earth-Four)
Appears in 7 issues
Crisis on Infinite Earths Companion Deluxe Edition #2
2019
Crisis on Infinite Earths Companion Deluxe Edition #1
Crisis on Infinite Earths #12
1986
Crisis on Infinite Earths #10
Crisis on Infinite Earths #9
1985
Crisis on Infinite Earths #7
Crisis on Infinite Earths #6