"Pronouns were not yet something that I understood," Friends co-creator Marta Kauffman ... NBC sitcom made mistakes in how it handled Chandler Bing's (Matthew Perry) transgender parent.

Actor Matthew Perry, who famously played the role of Chandler Bing on the superhit sitcom ' Friends ', passed away on Sunday as he was found dead in a hot tub at his Los Angeles home. 'Friends' is ...