UberKid Cyclist

The UberKid Cyclist is a Latvian guy who works transporting kids in a small cart with his bike.

History
When Bart and Lisa managed to steal vials from a Krusty factory, a guy arrives on a bike and Bart says that he called UberKid. He then offers them bottled water and mints.

Later, Lisa asks him where he is from, as she thinks his accent is interesting. He then reveals that he's from a small town in Latvia, and she probably doesn't know it, but as he was going to tell them about the town, Bart interrupts asking Lisa why she has to make friends with everyone.

He appears later in the episode as well when he runs over the now homeless Kent Brockman. This time, Martin is using his services.

Trivia

 * UberKid is a parody of, and he is a parody of Uber drivers.