buffoon

bəˈfuːn

noun

a ridiculous but amusing person; a clown.

fool,idiot,dolt,ass,nincompoop,blockhead,dunce,dunderhead,ignoramus,dullard,moron,simpleton,donkey,jackass,chump,numbskull,dope,twit,nitwit,halfwit,clot,bonehead,fathead,birdbrain,twerp,ninny,numpty,nit,berk,muppet,prat,wazzock