The Smiling Skull

Charlton; Rudolf Wolk

Also known as

Enemy of Judomaster and Sarge Steel.

Appearances

Sarge Steel #3 — 1965-04-00
Secret Agent #9 — 1966-10-10
Judomaster #92 — 1966-12-10
Judomaster #93 — 1977-00-00
Who's Who: The Definitive Directory of the DC Universe #12 — 1986-02-00
Who's Who: The Definitive Directory of the DC Universe #20 — 1986-10-00
Who's Who: The Definitive Directory of the DC Universe #23 — 1987-01-00
Gwandanaland Comics #140-A — 2017-00-00