What makes you laugh?

Crossword

Complete the crossword, then click on "Check" to check your answer. If you are stuck, you can click on "Hint" to get a free letter. Click on a number in the grid to see the clue or clues for that number.
1          2          
                
                
  3     4             
                
                
 5                 
       6           
 7                 
8                  
                
   9     10            
                
  11                
                
                
                
    12              
(CC) mbgortiz