First Appearance of The Penguin

The Penguin (Oswald Chesterfield Cobblepot) Created by artist Bob Kane and writer Bill Finger, The Penguin first appeared in Detective Comics #58 (December 1941).

First Appearance of Multiple Man

Multiple Man (James Arthur "Jamie" Madrox) Created by writer Len Wein with script from Chris Claremont and art by John Buscema, Multiple Man first appeared in Giant-Size Fantastic Four #4 (February 1975).