Brainwave Jr. (Henry King Jr.)
Brainwave Jr. (Henry King Jr.) appears in 13 issues in grailworth's catalog, and was first published in 1983. First appearance: All-Star Squadron #24 (1981), cover dated 1983.
First appearance
Every appearance we value
All-Star Squadron (1981) 1 issue
Superman (1987) 1 issue
Character appearances from the Grand Comics Database, CC BY-SA 4.0.