1 Mario - Super Mario Bros.
Mario, originally named Jumpman, is the main character of the Super Mario Bros. franchise, created by the creative director and video game designer at Nintendo of Japan, Shigeru Miyamoto. Mario has appeared in almost every Mario game, including games in spin-off series as a playable character, with... read more Mario. The best fictional character whose name starts with the letter M. The main icon of Nintendo gaming, undisputed. The Super Mario franchise has dominated gaming since the 1980s.
One of the most iconic characters in the world. I mean, who doesn't know Mario? Luigi is so lucky to have such an amazing brother!
He is Nintendo, so Mario, in my opinion, is the coolest character ever!
2 Maria Santiago - The Loud House
3 Mickey Mouse - Disney
Mickey Mouse is a funny animal cartoon character and the official mascot of The Walt Disney Company. He was created by Walt Disney and Ub Iwerks at the Walt Disney Studios in 1928. The first cartoon featuring Mickey Mouse was the iconic "Steamboat Willie" released in the year 1928. Mickey is the BEST! He should be number 1. Not to diss Mario or anything, but Mario should be 2.
He should be higher. Not to support Disney or anything, I just feel like it.
I love Mickey, but I hate the Disney Jr. show. Mickey Mouse needs to be higher.
4 Mabel Pines - Gravity Falls
Mabel Pines is one of the lead characters of the Disney XD animated series Gravity Falls. The character is voiced by Kristen Schaal, and designed by the series creator, Alex Hirsch. She is inspired by Hirsch's own twin sister, Ariel Hirsch. She is a caring, boy-crazy 12 year old girl that spent the... read more Mabel is pretty lit. I would vote for Mario, but he gets too much attention. Mabel is hilarious and a great character overall.
I absolutely love Mabel! She's so hilarious and such a great character.
I love Mabel! She is so quirky and weird, like me!
5 Maggie - The Loud House
6 Mermaid Man - SpongeBob SquarePants
7 Ms. DiMartino - The Loud House
8 Mewtwo - Pokémon
Mewtwo is a psychic-type Legendary Pokémon from Nintendo and Game Freak's Pokémon media franchise. Designed by Ken Sugimori, it made its first appearance in the games Pokémon Red and Blue. It was created by Dr. Fuji using gene splicing in an attempt to clone Mew. In the Pokémon games, it's infamously... read more
9 Mandee - The Loud House
10 Mojo Jojo - The Powerpuff Girls
Mojo Jojo is a fictional character from the American animated television series, The Powerpuff Girls, created by animator Craig McCracken for Cartoon Network.
The Contenders
11 Morrigan Aensland - Darkstalkers
Morrigan Aensland is a video game character from the Darkstalkers series of fighting games by Capcom, introduced in Darkstalkers: The Night Warriors in 1994.
12 Megatron - Transformers
Megatron is a character from the Transformers franchise, created by Hasbro in 1984, based on a toy design by Takara.
13 Margo - The Loud House
Love Margo, especially in the season 3 episode Hero Today, Gone Tomorrow.
14 Marco Diaz - Star vs The Forces of Evil
15 Maka Albarn - Soul Eater
Maka Albarn (マカ・アルバーン, Maka Arubān) is a Scythe-Meister and the daughter of Spirit Albarn and his ex-wife. After witnessing her father cheating, she was inspired by her mother and she became determined to follow in her footsteps and became a Meister. Maka partnered up with the "Demon... read more
16 Mad Eye Moody - Harry Potter
17 Michelangelo - Teenage Mutant Ninja Turtles
18 Matthew Bevilaqua - The Sopranos
19 Mime - Happy Tree Friends
20 Mad Clown - Punch-Out!
21 Mikaela Hyakuya - Seraph of the End
Mikaela Hyakuya (百夜 ミカエラ, Hyakuya Mikaera), born as Mikaela Shindo (進藤 ミカエラ, Shindō Mikaera), is a main character in the anime and manga series, "Seraph of the End". He is Yuichiro's best friend and one of the survivors of the Hyakuya Orphanage... read more
22 Maya Bishop - Station 19
23 Margos Dezerian - The Shield
24 Mileena - Mortal Kombat
Mileena is a character from the Mortal Kombat franchise who debuted in the sequel Mortal Kombat II as a clone of Kitana by Shang Tsung using Tarkatan DNA resulting in her mouth having razor sharp teeth that of a Tarkatan like Baraka, she hated her sister Kitana and vowed to destroy her and take over... read more
25 Murdoc - Gorillaz
Seriously, the only one who really deserves his spot is Mario. I know many more characters whose names start with M that are more famous than number 2. Get Murdoc to 2nd and make this list more realistic!