Complex sentence: He started his career at Saturday Night Live in 1990, teaming up with Rob Schneider on the popular "Copy Guy" sketches, and later spent many seasons on NBC's Seinfeld, initially solo, later partnering with collaborator Gregg Kavet.
Split into simpler sentences: He started his career at Saturday Night Live in 1990, teaming up with Rob Schneider on the popular "Copy Guy" sketches. He later spent many seasons on NBC's Seinfeld, initially solo, later partnering with collaborator Gregg Kavet.