My monster yaps / barks / bays like a dog.               

My monster whines like a dog.                                   

My monster snorts like a pig.                                      

 My monster snarls like a dog or a wolf.                    

My monster shrieks like a monkey.                            

 My monster screeches or howls like an owl.            

My monster scowls like a (wild) cat.                          

My monster rumbles like Big Foot.                             

My monster roars like a lion.                                       

My monster moans or wails like a dog.                      

My monster howls or screams or yells like a wolf.    

My monster hisses like a snake.                                  

My monster clamours like a bird.                                

My monster bellows...                                                  

My monster growls or grunts...                                   

My monster hollers...                                                    

My monster jeers...