Simplify the following text for a Grade 10 native English-speaking person.
Original: After leaving the company , they went to wrestle for World Championship Wrestling ( WCW ) with The Dead Pool and The Dark Carnival between 1999 and 2000 . On December 19 , 1999 , Bruce and Utsler created their own wrestling promotion , Juggalo Championshit Wrestling ( now known as Juggalo Championship Wrestling ) .
Simplified: They have formed a professional wrestling company called Juggalo Championship Wrestling which they founded in 1999 .