Complex sentence: She is best known for her role as Janice on the sitcom "Friends", she was a recurring character on Everybody Loves Raymond as Linda and Anita Warrell on the sitcom "Ellen".
Split into simpler sentences: She is best known for her role as Janice on the sitcom Friends. She was also a recurring character on Everybody Loves Raymond as Linda and Anita Warrell on the sitcom "Ellen".