Top Fictional Bands

Circus Monkey from the indie movie Bandwagon.

Spinal Tap

[deleted]

The Commitments!

Also, the band that played at the Hogwarts dance in that "Goblet of Fire" movie.

The Machismo Brothers (All You Need is Cash)
Maggot Death (School of Rock)
The Mahatmamas (Sealab 2021)
Mahna Mahna and the Snowths (The Muppet Show)
The Main Street Singers (predecessor to the New Main Street Singers, A Mighty Wind)
The Mamas and the Papas-in-Law (The Mothers-In-Law)
The Maniacs (The Cosby Show)
Marilyn Lovell and the Geminis (That Thing You Do)
Marvin Berry and the Starlighters (Back to the Future)
Massive Head Wound (Great White Hype)
The Mau Maus (Bamboozled)
Max Frost and the Troopers (Wild in the Streets)
The Max Rebo Band (Return of the Jedi)
Mayhem (Quincy)
M.C. Safety and the Caution Crew (The Simpsons)
Meconium (The Return of Spinal Tap)
Melvin and the Squirrels (The Simpsons)
Matabolica (Ozzy and the Drix)
The Metal Corpses (The Fabulous Stains)
Mick Jadeston and the Rolling Boulders (The Pebbles and Bamm-Bamm Show)
Mick Jagged and the Stones (Viva Rock Vegas)
Microbe (Zenon: Girl of the 21st Century)
The Misfits (Jem!)
Mitch and Mickey (A Mighty Wind)
Monty's Band (The Rose)
Moop (South Park)
Morning Breath (It's Your Move)
Mumblin' Jim (Psych-Out)
Murph and the Magic Tones (The Blues Brothers)
Musicians for Free-Range Chickens (Saturday Night Live)
Mystik Spiral (Daria)


And that's just the M's (and doesn't include fictional solo artisits, or the Monkees or the Mosquitos).

Steel Dragon!

What about Eddie and the Cruisers? Even though the actors didn't actually sing and it was lip synced to a real band from what I understand, I think they could maybe qualify.

Almost forgot Wyld Stallions from Bill and Ted