10. Mujibur and Sirajul
Mujibur Rahman and Sirajul Islam became minor celebrities thanks to the fact that the souvenir shop where they worked was right next to the Ed Sullivan Theater, and the comedic appearances of the Bangladesh natives with broken English always ran the risk of bordering on xenophobic. But Letterman immediately latched on to Mujibur and Sirajul's naïve sweetness, doing countless segments with the two men and even sending them on the road with a camera crew. The laughs that came from their awkward demeanor were always mitigated by Dave's playful affection and the audience's clear love for the guys. Sirajul once explained it like this: "People like us as their family."