<P> He and his roommate Ernie form a comic duo that is one of the program's centerpieces, with Bert acting as the world - weary foil to Ernie's naive troublemaking . </P> <P> Bert, though kind and intelligent, is also grumpy, boring, serious, and easily frustrated . His catchphrase is "Yes, I do mind ." He enjoys activities such as paper clip and bottle cap collecting, cooking oatmeal and watching pigeons . Producer Arlene Sherman has called Bert "everyone's idea of a blind date". In one sketch, Bert reads a book called Boring Stories and chuckles, "Wow! These boring stories are really exciting!" In the book Sesame Street Unpaved, Frank Oz says, "I was never really happy with Bert's character until about a year in, when I realized...that he was a very boring character, and I'd use that weakness as a strength for him ." </P> <P> Bert has very boring foods as his favorites . He loves oatmeal, unflavored soda water, and other bland related foods . In one episode when Ernie is hired to sub for Mr. Hooper, he gives Bert a glass of unflavored soda water but adds strawberry flavored syrup, ice cream and whipped cream to it, angering Bert who eventually screams a memorable phrase: "I hate ice cream sodas!" Bert's appearance and clothing contrast markedly with Ernie; he is the taller and thinner of the two, wears a turtleneck under a shirt with vertical stripes (as opposed to Ernie's horizontal ones), and has a head that is narrower than it is high . In addition, Bert has visible eyebrows (actually a unibrow), while Ernie does not . </P> <P> Bert has a pet pigeon named Bernice, and he created a dance called "Doin' the Pigeon". In one sketch, Bert gets dressed and says he is going to a pigeon lovers party, which is obviously hosted by himself . Bert serves as President of the National Association of W Lovers, a club dedicated to the letter W. Two conventions held by the W Lovers have been shown on the show . Bert has pet goldfish, two of whom are named Lyle and Talbot . </P>

What does bert look like from sesame street