Q: What’s a llama’s favorite movie?
A: Llamadeus!
Q: What do you call a very fast llama?
A: A Llamaghini!
Explanation: Both of these jokes play with the word llama: the first changes Amadeus into Llamadeus; the second changes Lamborghini into Llamaghini. Many jokes in English play with words in this way.
Here is the trailer for the movie Amadeus: