I owned and operated a 650 seat restaurant/banquet facility for 31 years and had the good fortune to meet these folks some years ago when they were performing both as clowns and Mr. & Mrs. Santa for a large corporate/family Christmas party.  I was impressed by their professionalism, good humor, and love for what they do for a living.  I was equally impressed by how well they interacted with the guests, and how the guests ""came to life"" when they would have such fun with them!  Pure enjoyment!  I also observed how they worked just as well with the adults as with the children and teens.
Pros:  Funny, feel-good times for adults and children alike.  
Cons:  Absolutely none.  
                        
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