Basically, i'm gonna make something thats called King Headless, He makes an evil laugh every 20 to 15 seconds, What do i need to do to make that possible?
while true do
wait(0.5)
script.Parent.EvilLaugh:Play()
end
Please Write your examples in answers, i do not understand through comments.

1 comment
Make sure to put a 'math.randomseed(tick())' in the first line of code, It makes the randomness even more random