Funny videos part 01
A goofy person does silly things, like funny dances and dressing in ridiculous costumes. They might make funny mistakes. You can also call this kind of person "a goofball".
A witty person is funny for the opposite reason: they say things that are funny and also very smart. Witty people are also quick with their jokes.
A prankster is someone who plays practical jokes on people. Practical jokes are tricks that confuse or scare someone for a short time.
A self-deprecating person makes jokes that make themself look bad. They joke about their own flaws and problems.