| Metralhus XIII | 1981 | | 0 | 1 |
| Mevrouw Bij | 2013 | | 0 | 1 |
| Mevrouw Scarabee | 1995 | | 0 | 1 |
| Mevrouw Spin from H 2014-455 | 2015 | | 0 | 1 |
| Mevrouw Spin from H 83100 | 1984 | | 0 | 1 |
| Mexerica the singer | 1968 | | 0 | 1 |
| Mexicano from B 880011 | 1988 | | 0 | 1 |
| Mice from Cinderella | 1981 | | 0 | 1 |
| Michael | 2009 | | 0 | 1 |
| Michel Souris's niece | 2008 | | 0 | 1 |
| Michel Souris's sister | 2008 | | 0 | 1 |
| Michel-Ange | 1970 | | 0 | 1 |
| Michela Faifer | 1993 | | 0 | 1 |
| Michelangelo from B 2022-010 | 2023 | | 0 | 1 |
| Midge | 1977 | | 0 | 1 |
| Midges from SC | 1979 | | 0 | 1 |
| Mignolo | 2023 | | 0 | 1 |
| Miguel | 2015 | | 0 | 1 |
| Miguel B. Buldoza | 1964 | | 0 | 1 |
| Miguel Carrero | 1975 | | 0 | 1 |
| Miguel Dissebela | 1999 | | 0 | 1 |
| Miguel Tortillas | 2022 | | 0 | 1 |
| Miguel from B 810255 | 1982 | | 0 | 1 |
| Miguel from B 830032 | 1984 | | 0 | 1 |
| Miguel the chauffeur | 1985 | | 0 | 1 |
| Miguelzinho from B 780194 | 1982 | | 0 | 1 |
| Miguelzinho from B 790079 | 1980 | | 0 | 1 |
| Miguelzinho from B 810255 | 1982 | | 0 | 1 |
| Miguelão from B 810255 | 1982 | | 0 | 1 |
| Miguelãozão from B 810255 | 1982 | | 0 | 1 |
| Mike Peppers | 1967 | | 0 | 1 |
| Mike from MED | 2012 | | 0 | 1 |
| Mikey Blumberg | 2001 | | 0 | 1 |
| Mil-Caras | 1983 | | 0 | 1 |
| Milady from M DCH 1-A | 1995 | | 0 | 1 |
| Mildred | 1955 | | 0 | 1 |
| Mildred from I TL 2768-5 | 2008 | | 0 | 1 |
| Miles Malone | 2015 | | 0 | 1 |
| Milkman from YD 65-04-22 | 1965 | | 0 | 1 |
| Millicent from YM 137 | 1955 | | 0 | 1 |
| Millie the forklift | 2015 | | 0 | 1 |
| Milly | 1995 | | 0 | 1 |
| Milly la postina | 2002 | | 0 | 1 |
| Milo Tatch | 2002 | | 0 | 1 |
| Milty & Marty | 1960 | | 0 | 1 |
| Mimi | 1944 | | 0 | 1 |
| Mimi Cri | 1993 | | 0 | 1 |
| Mimi from B 900006 | 1991 | | 0 | 1 |
| Mimi the cat from B 800024 | 1980 | | 0 | 1 |
| Mimi the cat from B 890068 | 1989 | | 0 | 1 |
| Mimic Beagle | 1978 | | 0 | 1 |
| Mimmo | 1946 | | 0 | 1 |
| Mimosa the cat | 1973 | | 0 | 1 |
| Minduca the magician | 1973 | | 0 | 1 |
| Miner ants from H 85116 | 1987 | | 0 | 1 |
| Minestrona from B 770285 | 1978 | | 0 | 1 |
| Minette | 1991 | | 0 | 1 |
| Ming Toy | 1959 | | 0 | 1 |
| Mingau from B 970160 | 1998 | | 0 | 1 |
| Mingo the assistant | 1988 | | 0 | 1 |