M
Magical ring - see Ring
Maginaryworld - a world of dreams that Sonic the
Hedgehog and his friends must save in Sonic Shuffle
Magnetic shield - a shield that attracts Rings
Manic - Sonic the Hedgehog's brother in Sonic Underground
Maria Robotnik - a girl from Shadow the Hedgehog's past; first introduced
in Sonic Adventure 2/Sonic Adventure 2 Battle
Master Emerald - a large emerald that is responsible
for keeping Angel Island/Floating Island in the air
Master System - Sega's 8-bit system that is predecessor to the Genesis
Mecha-Knuckles - the robotic transformation that Knuckles the Echidna underwent when he was
roboticized by the freedom fighters to stop Mecha-Sonic
Mecha-Sonic - the robotic transformation that Sonic the
Hedgehog underwent when he was roboticized by
Robotnik in Archie Comics Sonic the Hedgehog series
Mega 32X - another name for Sega 32X
Mega CD - another name for Sega CD
Mega Drive - another name for the Genesis
Mega Mack - a chemical designed to kill Sonic the Hedgehog in Sonic the Comic
Mega-muck - a gooey and sticky substance that can stop Sonic the Hedgehog in his
tracks
Metal Knuckles - a robot that looks like Knuckles the Echidna and can be unlocked
in Sonic R
Metal Overlord - the final battle in Sonic Heroes where Team Sonic must defeat the transformed Metal Sonic to save the world
Metal Sonic - a robot that looks like Sonic the Hedgehog
and first appeared when it kidnapped Amy Rose in Sonic the Hedgehog CD
Mighty the Armadillo - a character that first
appeared in SegaSonic the Hedgehog, then Knuckles' Chaotix; he also appeared in the
Archie Comics Knuckles the Echidna series
Miles Prower - Tails's real name; when you say it fast, it is
"miles per hour"
Mina - a girl mongoose that appears in Archie Comics Sonic the Hedgehog series
Mini-event - a special occurrence in Sonic Shuffle that leads a player through a short
event or presents a choice that must be made
Mini-game - a short game in Sonic Shuffle
that lasts up to 60 seconds and involves all four players
Mobian - a citizen of Mobius
Mobius - a planet on which Sonic the Hedgehog and his friends
live in Archie Comics Sonic the Hedgehog series and the
cartoons
Mobotropolis - the city in which Sonic the Hedgehog
and his friends used to live (in Archie Comics Sonic the Hedgehog series and SatAM) until Robotnik took over, renaming it Robotropolis
Monitor - a box that contains a special item; see also video monitor
Muttski - Sonic the Hedgehog's pet dog that appears in Archie Comics Sonic the Hedgehog series and SatAM
Mystic Melody - an upgrade item in Sonic Adventure 2/Sonic Adventure 2 Battle that, when played, effects the surrounding
environment
Mystic Ruins - an adventure field in Sonic Adventure/Sonic Adventure DX that is the home for Big the Cat