Carlos
Carlos (assistant of Rod Gaynor (The Whip)) appears in 4 issues in grailworth's catalog, and was first published in 1940. First appearance: Flash Comics #1 (1940), cover dated 1940.
First appearance
Every appearance we value
Flash Comics (1940) 3 issues
Secret Origins (1986) 1 issue
Character appearances from the Grand Comics Database, CC BY-SA 4.0.