Roy Raymond, TV Detective ("Impossible -- But True")

First appearance: in the feature "Impossible -- But True!"
in Detective Comics #153 (November 1949)





The feature was still titled "Impossible -- But True!" as of Detective Comics #200 (October 1953)


And was still referred to as "Impossible -- But True!" on the cover of Detective Comics #201 (November 1953)


But inside that issue was a different story


The feature would continue to appear in Detective Comics somewhat regularly into 1961.

Roy Raymond's entry from Who's Who: The Definitive Directory of the DC Universe Vol. XIX (September 1986)