The Beefeater is a fictional character, a comic book superhero published by DC Comics. He appeared in his civilian identity as Michael Morice in Justice League International Annual #3 (1989), and debuted as Beefeater in Justice League Europe #20 in a story by Keith Giffen, Gerard Jones and Marshall Rogers. His code name and appearance are both taken from the uniform of the Yeomen Warders.
The Beefeater, from Justice League Europe #20, artist Marshall Rogers.
Justice League Europe (JLE) is a comic book series published by DC Comics that was a spin-off of the comic book Justice League America.
Cover to Justice League Europe #1 (April 1989), art by Bart Sears