Marquis
French resistance group in the second world war
Marmaduke Brooker
character from the TV series "Carpoolers"
Marmaduke Temple
character in The Leatherstocking Tales by James Fenimore Cooper
Marmaduke "Chuffy" Chuffnell
5th Baron Chuffnell, character in P. G. Wodehouse's Jeeves novels
Marmaduke
character in the Demon Princes series by Jack Vance
Marmaduke "Duke" Rosenly
full name of collie dog character in "The Space Gypsy Adventures"
Marmaduke Duke
Scottish rock duo
Marshall Eriksen
character on TV's "How I Met Your Mother"
Marshall Lee Abadeer
gender,swapped version of Marceline on "Adventure Time"
Marshall Flinkman
character on TV's Alias