Andy Warhol: best known pop art artist, his exploration of media, painting, silkscreening, photography, film and sculpture is sick
Roy Lichtenstein: his inspiration was popular advertising and comic strips which makes it quite interesting
Keith Haring: he created several influential Pop Art pieces on social issues and his work was pretty simple yet had a deeper meaning
David Hockney: This dude was British so he's automatically considered good yk if yk
Hope this helped you- have a good day bro cya)