Complex sentence: He is best known for starring as the title character in the 2012 horror comedy film "John Dies at the End", as well as portraying Tommy Nutter in the short-lived comedy-drama television series "Jane by Design".
Split into simpler sentences: He is best known for starring as the title character in the 2012 horror comedy film "John Dies at the End". He portrayed Tommy Nutter in the short-lived comedy-drama television series "Jane by Design".