Question: Who was known for portraying four fictional characters: Ali G, Borat Sagdiyev, Brüno Gehard, and Admiral General Aladeen?
Sentence (from "List of Da Ali G Show episodes"): The first season took place in the UK and aired on Channel 4 from 30 March 2000, to 5 May 2000, while the second and third seasons took place in the US and aired on HBO from 21 February 2003, to 22 August 2004, and are known as "Ali G in da USAiii" in countries the original season aired in.
Relevant evidence: No