Complex sentence: Stephen Frost (born 28 December 1955), also known as Steve Frost, is an English comedian, known for his work in the 1980s with Mark Arden as part of the double act The Oblivion Boys on "Saturday Live".
Split into simpler sentences: Stephen Frost (born 28 December 1955), also known as Steve Frost, is an English comedian. Frost is known for his work in the 1980s with Mark Arden as part of the double act The Oblivion Boys on "Saturday Live".