Complex sentence: In 1990, he voiced his first character in an animated series, Dick Scott in "New Kids on The Block", the following year he voiced Bo Jackson in "ProStars", and later did many additional characters on "Sonic the Hedgehog".
Split into simpler sentences: In 1990, he voiced his first character in an animated series, Dick Scott in "New Kids on The Block". The following year, he voiced Bo Jackson in "ProStars", and later did many additional characters on "Sonic the Hedgehog".