Have to go with Freddie Mercury as my choice. Sorry for the following long post, I got carried away :|
Just based on what songs are in movies I think it gives a big lead too Freddie and Queen. I think alot of people like Queen songs and don't even know they are Queen songs.
1978 - FM - We Will Rock You ,1980 - Flash Gordon - Flash Gordon Soundtrack, 1984 - Revenge Of The Nerds - We Are The Champions , 1986 - Highlander - Princes Of The Universe, Gimme The Prize (Kurgan's Theme), One Year Of Love, Who Wants To Live Forever, Hammer To Fall, Don't Lose Your Head, New York, New York, A Kind Of Magic ,1986 - Iron Eagle - One Vision ,1991 - Highlander II: The Quickening - A Kind Of Magic, 1992 - Breaking The Rules - Crazy Little Thing Called Love ,1992 - Encino Man - Stone Cold Crazy, Keep Yourself Alive
1992 - Gladiator - We Will Rock You (cover by Warrant) ,1992 - Peter's Friends - You're My Best Friend
1992 - Wayne's World - Bohemian Rhapsody ,1993 - National Lampoon's Loaded Weapon 1 - Bohemian Rhapsody ,1993 - Son In Law - Crazy Little Thing Called Love ,1993 - Super Mario Bros. (on soundtrack, but not in movie) - Tie Your Mother Down ,1994 - D2: The Mighty Ducks - We Will Rock You, We Are The Champions
1996 - Mr. Wrong - Crazy Little Thing Called Love ,1997 - The Big One - We Will Rock You
1997 - Grosse Pointe Blank - Under Pressure ,1998 - Small Soldiers - Another One Bites The Dust (Remix w/ Wyclef Jean) ,1998 - Stepmom - Under Pressure ,1999 - 200 Cigarettes - Another One Bites The Dust
1999 - Any Given Sunday - We Will Rock You ,1999 - Mickey Blue Eyes - We Are The Champions
2000 - High Fidelity - We Are The Champions, 2000 - The Replacements - We Will Rock You
2001 - How High - Bicycle Race (cover version), 2001 - A Knight's Tale - We Will Rock You, We Are The Champions (Queen + Robbie Williams) , 2001 - Moulin Rouge! - The Show Must Go On (cover by Nicole Kidman & Jim Broadbent) , 2003 - Blackball - Don't Stop Me Now ,2004 - Ella Enchanted - Somebody To Love (cover by Anne Hathaway) ,2004 - The Girl Next Door - Under Pressure ,2004 - Shaun Of The Dead - Don't Stop Me Now, You're My Best Friend ,2004 - Super Size Me - Fat Bottomed Girls ,2005 - Cheaper By The Dozen 2 - Under Pressure ,2005 - Chicken Little - We Are The Champions (cover by Zach Braff) ,2005 - Kicking & Screaming - We Are The Champions ,2005 - The Pacifier - We Will Rock You ,2006 - About A Son - It's Late ,2006 - Failure to Launch - Crazy Little Thing Called Love (cover version) , 2006 - Happy Feet - Somebody To Love (cover by Brittany Murphy) ,2006 - The Break-Up - You're My Best Friend, Crazy Little Thing Called Love (cover by Dwight Yoakam)
2006 - Zoom - Under Pressure (cover by Smash Mouth) ,2007 - Blades Of Glory - Flash's Theme ,2007 - The Heartbreak Kid - Under Pressure , 2007 - I Now Pronounce You Chuck & Larry - You're My Best Friend, Under Pressure , 2008 - What Happens In Vegas - We Are The Champions (cover version) ,2009 - Observe And Report - The Hero, It's Late ,2009 - World's Greatest Dad - Under Pressure ,2010 - Iron Man 2 - Another One Bites The Dust
2011 - Foo Fighters: Back And Forth - You're My Best Friend ,2011 - Crazy, Stupid, Love. - Crazy Little Thing Called Love ,
Freddie Mercury Songs
1984 - Metropolis - Love Kills ,1984 - Teachers - Foolin' Around ,1987 - Zabou - Hold On ,1992 - Night And The City - The Great Pretender ,1993 - National Lampoon's Loaded Weapon 1 - Love Kills
On the other hand, I can only find a few movies for MJ and I've never seen any of them.
Get On The Bus: "On The Line"
Free Willy 2: The Adventure Home:"Childhood (Theme from 'Free Willy 2')"
Free Willy: "Will You Be There?"
Ben :theme song 'Ben'