It’s strange, but non-human characters can literally make or break a TV show, overloading it with excessive and contrived whimsy (as on American Dad), or giving it just the perfect dose of eccentricity to make it uniquely appealing (as in Alf). Not surprisingly, one of those shows is featured in Unreality’s listicle of the 11 Most Memorable Non-Human Sitcom Characters, which we agree with for the most part, save the bizarre exclusion of Family Guy’s Brian and the entire star lineup of 3rd Rock From The Sun: