Everyone loves the Homestar Runner. He is a terrific athlete. He's got as much intelligence as he has arms. Basically, he's dumb, but a loveable type of dumb. Homestar's well meaning, but his idiocy often makes his efforts to help others in vain, mainly due to him causing accidental insults or injuries. 

One notable character trait, besides his idiocy, is his speech impediment, and has trouble pronouncing his "r" and "l" sounds, a bit like Elmer Fudd.

Here are some of his samples of styles: Sample 1, Sample 2, Sample 3