Complex sentence: Kirkwood also created and introduced the Roscoe and Lomax family in the same year as well as introducing the Campbell brothers and Kim Butterfield, the sister of established character Lindsey in 2014.
Split into simpler sentences: Kirkwood also created and introduced the Roscoe and Lomax family in the same year. As well as introducing the Campbell brothers and Kim Butterfield, the sister of established character Lindsey in 2014.