| MacGoogan | 1930 | | 0 | 2 |
| Mack Kemp | 2023 | | 0 | 2 |
| Macwolf | 2004 | | 0 | 2 |
| Madam Isabella | 2014 | | 0 | 2 |
| Madam Leota | 2003 | | 0 | 2 |
| Madame Belle | 1948 | | 0 | 2 |
| Madame Tortue | 1993 | | 0 | 2 |
| Madame Zebú | 2004 | | 0 | 2 |
| Mafalda | 1994 | | 0 | 2 |
| Magician from HD 2024-105 | 2024 | | 0 | 2 |
| Magistra Corba | 2018 | | 0 | 2 |
| Mailman from Little Zeke stories | 2023 | | 0 | 2 |
| Mallet-Head | 1994 | | 0 | 2 |
| Malvagius | 2013 | | 0 | 2 |
| Malvolio | 2023 | | 0 | 2 |
| Mamuk | 1967 | | 0 | 2 |
| Mandrake the Magician | 1994 | | 0 | 2 |
| Manduca the hypnotizer | 1974 | | 0 | 2 |
| Manfred | 1937 | | 0 | 2 |
| Mapinguare | 1993 | | 0 | 2 |
| Marblehead Pelican | 1946 | | 0 | 2 |
| Margot Vale | 2006 | | 0 | 2 |
| Maria Vaz | 2022 | | 0 | 2 |
| Maria das Neves | 1961 | | 0 | 2 |
| Mariieveronica | 2019 | | 0 | 2 |
| Mario Andretti | 2009 | | 0 | 2 |
| Marjory | 1998 | | 0 | 2 |
| Marshall Von Mess | 1943 | | 0 | 2 |
| Martha Bird | 2016 | | 0 | 2 |
| Martha Mousegomery | 1942 | | 0 | 2 |
| Martin P. Hoppins | 2021 | | 0 | 2 |
| Marty Brakeburst | 2012 | | 0 | 2 |
| Marty Moth | 1950 | | 0 | 2 |
| Mary Jo | 1972 | | 0 | 2 |
| Mary e Luke | 2026 | | 0 | 2 |
| Maryam Clayton | 1999 | | 1 | 2 |
| Marzio | 2025 | | 0 | 2 |
| Mason | 2000 | | 0 | 2 |
| Mastodon on Ice Island | 1971 | | 0 | 2 |
| Matilda de Paperoni | 2014 | | 0 | 2 |
| Mauri Tarkkanen | 2023 | | 0 | 2 |
| Maw Pete | 1968 | | 0 | 2 |
| Max from F DBG 4 | 2016 | | 0 | 2 |
| Maxwell Keep | 2014 | | 0 | 2 |
| Mayor Scott's wife | 1933 | | 0 | 2 |
| Mayor of Watertown | 1950 | | 0 | 2 |
| Meat | 1996 | | 2 | 2 |
| Medéia the witch | 1973 | | 0 | 2 |
| Mega-Negaduck | 2024 | | 0 | 2 |
| Mel Dorado | 2015 | | 0 | 2 |
| Melinda | 1986 | | 0 | 2 |
| Melody Keep | 2014 | | 0 | 2 |
| Melvin X. Nickelby | 2006 | | 0 | 2 |
| Menehunes | 1953 | | 0 | 2 |
| Menteth | 2023 | | 0 | 2 |
| Mercury | 2006 | | 0 | 2 |
| Meridian Clade | 2022 | | 0 | 2 |
| Mermaids from PP | 1968 | | 0 | 2 |
| Merrywather | 1997 | | 0 | 2 |
| Messer Frido | 1954 | | 0 | 2 |