What characters are featured in the Double Dragon video game series

There are many characters that feature in the Double Dragon video game series, for example Billy Lee, Marian, Williams, Wroper (white), Wroper (black), Chin Taimei, Linda, Abobo, Green Abobo, Willy and Jimmy Lee. These make up the main characters in the Double Dragon video game series, but there are many nameless characters that have featured in the series.