Oh, come on, there is more to him than just the Can-Can, listen to the love duet between Helen and Paris in the second act of La Belle Helen or what about Le Contes d'Hoffman? or as Tanevey pointed out his cello works?Beat me to it.
Indeed, his abhorrent and simplistic piece (singular) is thrust in our ears all the time. Every junior band or concert band plays it at least once a year.