Thomas/The Simpsons

Thomas/The Simpsons is a parody with The Simpsons sound and Thomas the Tank Engine and Friends clips

Cast
 * Thomas as Homer
 * Emily as Marge
 * Bill/Ben as Bart
 * Rosie as Lisa
 * Lady as Maggie
 * Germlin the Dog as Santa's Little Helper
 * Sir Topham Hatt's Cat as Snowball
 * Duke as Grandpa Abe
 * Cranky as Moe
 * Neville as Krusty the Klown
 * James as Ned Flanders
 * Carla as Maude Flanders
 * Skarloey as Rod Flanders
 * Rheneas as Todd Flanders
 * Henry as Lenny
 * Percy as Milhouse
 * Duck as Apu
 * Jack as Ralph Wiggum
 * BoCo as Chief Wiggum
 * Edward as Reverend Lovejoy
 * Billy as Cletus
 * Diesel 10 as Snake
 * Spencer as Mr. Burns
 * Toby as Mr. Smithers
 * Murdoch as Principal Skinner
 * Mavis as Agnes Skinner
 * Midge as Edna Krabappel
 * Donald/Douglas as Groundskeeper Willie
 * Dennis as Barney
 * Oliver as Carl
 * Harvey as Otto
 * Annie as Patty
 * Clarabel as Slema
 * Salty as The Sea Captain
 * Toad as Bumblebee Man
 * Bulgy as Comic Book Guy
 * Bertie as Sideshow Mel
 * George as Sideshow Bob
 * Arthur as Dr. Hibbert
 * Fergus as Professor Frink
 * Freddie as Old Gil
 * Sir Handel as Kent
 * Peter Sam as Martin
 * The Fat Controller as Mayor Quimby
 * Splatter as Kang
 * Dodge as Kobos
 * Diesel as Nelson
 * Arry/Bert as Jimbo
 * Duncan as Kearney
 * Smudger as Dolph
 * Oliver (Pack) as Disco Stu
 * Rusty as Eddie
 * Derek as Lou
 * Whiff as Dr. Nick
 * Gordon as Herb, Homer's Half Brother
 * Mighty Mac as EPA Driver
 * Jeremy as God
 * Madge as Gracie Films Lady
 * Weasel as Fat Tony
 * Hector as Duffman
 * D261 as Artie Ziff
 * Hank as Yes Guy

Any more ideas? If you have them put them on the list.