16.
The Child Catcher in Chitty Chitty Bang Bang
12.
Scooby in Scooby-Doo: The Movie
11.
Deloris in Sister Act
10.
Clark Kent in Man of Steel and literally all the Superman films
8.
Grace in Miss Congeniality
7.
Kevin and Marcus in White Chicks
6.
Balloo in The Jungle Book
5.
Viola in She's the Man
3.
Schmidt and Jenko in 21 Jump Street
2.
The puppies in 101 Dalmations
1.
Daniel in Mrs. Doubtfire
What's your favourite on-screen disguise? Tell us in the comments!