Complex sentence: He is best known for his roles as Hoss Cartwright on the PAX series "Ponderosa", Cadet Drew on "Malcolm in the Middle", and Butch Gilzean/Solomon Grundy, a series regular, on FOX's "Gotham".
Split into simpler sentences: He is best known for his roles as Hoss Cartwright on the PAX series "Ponderosa" and Cadet Drew on "Malcolm in the Middle". He currently plays the role of Butch Gilzean, a series regular, on FOX's "Gotham".