Oompa-Loompas are fictional characters from Roald Dahl's books Charlie and the Chocolate Factory and Charlie and the Great Glass Elevator.
In the 1971 adaptation, they have orange skin, green hair. They wear brown shirts, white pants, white gloves, brown and white striped socks and brown shoes.
In the 2005 adaptation, they wear uniforms of different colors red, yellow, and blue, black and white striped socks and black socks.
The Oompa-Loompas are first seen working in the chocolate room they pour the cream and sugar in the chocolate river. After Augustus Gloop's demise one of the Oompa-Loompas escorted Mrs Gloop to the fudge room. Then the Oompa-Loompas sing a song about gluttony.
The three Oompa-Loompas are seen in the Wonkatania boat. One of them drives the boat while the two of them paddle the wheel. They are all seen working on the candy in the Inventing room. As Violet Beauregarde becomes a blueberry Willy Wonka asked one of the Oompa-Loompas to roll Violet to the juicing room at once and the Oompa-Loompa nods in agreement. Then the Oompa-Loompas sing a song about unhealthy habits as they roll Violet to the juicing room. One of them escorts Mr Beauregarde to the juicing room as he complains that he's got a blueberry for a daughter.
The Oompa-Loompas are all seen working on the golden chocolate eggs in the geese room. They all attempt to control Veruca Salt as she sings "I want it Now!' After Veruca and her father go down the garbage chute the Oompa-Loompas all sing a song about being spoiled.
The Oompa-Loompas are seen filling the Wonka mobile with sodas. Then the Oompa-Loompas are all seen in the Wonkavision room. Four of them bring the Giant Wonka bar so it can be transmitted to the television screen.
After Mike Teavee's demise two of the Oompa-Loompas pulled a dismayed Mrs Teavee who is about to faint. Then they're last seen singing a song about an obsession with television. They're never seen again afterwards but they're mentioned by Willy Wonka who tells Charlie Bucket to take care of them for him.