Q 01/05

In which comic did Lex Luthor first appear?

A) Superman #1

B) Action Comics #1

C) Action Comics #23

D) Adventure Comics #271

Answer · why

C) Action Comics #23

That was April 1940, two years after Superman's own debut in Action Comics #1.

Q 02/05

Which duo created Lex Luthor?

A) Bill Finger and Bob Kane

B) Otto Binder and Al Plastino

C) Jerry Siegel and Joe Shuster

D) Marv Wolfman and John Byrne

Answer · why

C) Jerry Siegel and Joe Shuster

Superman's creators gave him a foe with no powers at all, just brains and ambition.

Q 03/05

What is Lex Luthor's full first name?

A) Alexis

B) Alexei

C) Alexander

D) Lexington

Answer · why

C) Alexander

Early stories called him only 'Luthor'; 'Lex' was later said to be short for Alexis before Alexander stuck.

Q 04/05

What colour was Luthor's hair in his earliest appearances?

A) red

B) blond

C) black

D) grey

Answer · why

A) red

He was a middle-aged man with a full head of hair before an artist's error made him bald.

Q 05/05

Luthor's baldness began as a mistake by which Superman studio artist?

A) Joe Shuster

B) Leo Nowak

C) Wayne Boring

D) Curt Swan

Answer · why

B) Leo Nowak

He apparently confused Luthor with a bald henchman from Superman #4; editor Bob Rozakis confirmed it.