X-Men (vol. 1) #66 (Mar. 1970):
“The Mutants and the Monster”
by Roy Thomas, Sal Buscema, Sam Grainger

X-Men (vol. 1) #66

Title: “The Mutants and the Monster”

Medium: comic

Cover date: Mar. 1970

Publisher: Marvel
Written by: Roy Thomas
Art by: Sal Buscema, Sam Grainger

Number of Pages: 20

18 characters in this story:

(Click links for info about character
and his/her religious practice, affiliation, etc.)
Pub. #
The Hulk The Hulk (Bruce Banner) hero scientist
CBR Scale: I Catholic (lapsed)
The Avengers; The Defenders...  Marvel 4,551
Cyclops Cyclops (Scott Summers) hero
CBR Scale: ICBR Scale: S Protestant; mutant supremacist
X-Men; X-Factor...  Marvel 8,371
The Beast The Beast (Hank McCoy) hero scientist
CBR Scale: ICBR Scale: S Episcopalian; agnostic
The Avengers; X-Men...  Marvel 5,233
Phoenix Marvel Girl (Jean Grey) hero
CBR Scale: I Episcopalian
X-Men; X-Factor...  Marvel 1,905
Iceman Iceman (Bobby Drake) hero
CBR Scale: I Jewish Catholic
The Champions; X-Men...  Marvel 1,752
Angel Angel (Warren Worthington III) hero
CBR Scale: I Episcopalian
The Champions; X-Men...  Marvel 1,741
Professor X Professor X (Charles Xavier) hero scientist
CBR Scale: S religious
X-Men (founder); Genoshan Excalibur...  Marvel 4,999
Havok Havok (Alex Summers) hero
CBR Scale: I Catholic (lapsed)
Magistrates; X-Men... 
[Cyclops' brother]
Marvel 592
Polaris Lorna Dane hero
CBR Scale: I Jewish Catholic
X-Men; X-Factor... 
[studied geophysics in college]
Marvel 464
Colonel Glenn Talbot Colonel Glenn Talbot supporting character
  U.S. Air Force; Hulkbusters (U.S. Military) Marvel 152
U.S. Army U.S. Army supporting character group real/historical person
  [military unit] Marvel DC 1,801
Xavier Institute Xavier School for Gifted Youngsters supporting character group
  [high school] Marvel 373
X-Men X-Men hero group
  [1st app: The X-Men (vol. 1) #1 (Sep. 1963)] Marvel 9,958
Giant-Man Hank Pym
hero scientist
CBR Scale: U atheist
Commission on Superhuman Activities; The Liberators...  Marvel 1,543
Z'Nox Z'Nox
villain group
CBR Scale: I alien
[amoral, cruel, decadent reptillian alien race] Marvel 12
The Avengers The Avengers
hero group
  [1st app: The Avengers (vol. 1) #1 (Sep. 1963)] Marvel 100
dinosaurs dinosaurs
supporting character group real/historical person
CBR Scale: D N.A.
[animal species] John Murray 2
William O. Douglas William O. Douglas
real/historical person
CBR Scale: S Presbyterian
[noted environmentalist; Supreme Court Justice] Standard 9

This publication is also known as: The Uncanny X-Men (vol. 1) #66.

Note that this is the last new X-Men story published in the series before the series began an extended period (nearly 30 issues) of publishing nothing but stories reprinted from earlier in the series. The next new story published in this series will not appear until issue #94 (Aug. 1975).