Complex sentence: Other characters include Bok-bok, Rogelio's best friend, he occasionally insults Rogelio, and Tessa, designer of Rogelio's suit, though blind, she is quite talented and intelligent, Rogelio cares for her.
Split into simpler sentences: Other characters include Bok-bok, Rogelio's best friend. Though she is blind, she is quite talented and intelligent, and Rogelio cares for her.