Ernie has a characteristic chuckling laugh (a trait he shares with his baby cousin, Ernestine), and he also has his signature pronunciation of the word "again" (ay-gain). He is a friend and roommate of Bert; they share an apartment on Sesame Street. Ernie's appearance and clothing contrast with Bert, as he is the shorter and more rotund of the pair, and he wears a shirt with horizontal stripes, whereas Bert's shirt has vertical stripes, and Bert has a tall, narrow head while Ernie's is wider tha