YOU SAID:
He is a smasher of things
INTO JAPANESE
彼はものすごく楽しい人です
BACK INTO ENGLISH
He is a tremendously fun person
INTO JAPANESE
彼はすごく楽しい人です
BACK INTO ENGLISH
He is a very fun person
INTO JAPANESE
彼はとても楽しい人です
BACK INTO ENGLISH
He is a very fun person
Come on, you can do better than that.