Nicknames:
Mark, Markie.
Famous people named Markus:
Author Markus Zusak; physicist Markus Fierz; singer Markus Feehily; deejay Markus Schulz.
Fun fact:
You may know him simply as "Notch," but the creator of Minecraft's real name is Markus Alexej Persson.
More Inspiration:
150+ Boys Middle Names That Hit The Sweet Spot Of Unique And Traditional, Classic Dutch Baby Names For The Little Tulip In Your Life,