Complex sentence: In the late 1990s, the company started to use a CGI rooster as its official mascot, named Chicken Nick which is now the focus of commercials and used as toys in children themed meals.
Split into simpler sentences: In the late 1990s, the company began to use a CGI rooster as its official mascot, named Chicken Nick. It is now the focus of commercials and used as toys in children themed meals.