Claim: Chloe Mitchell( Katherine Tina Valentine)is a fictional character from The Young and the Restless who first appeared on July 27, 1990 and was played by Elizabeth Hendrickson
Evidence: Chloe Mitchell is a fictional character from The Young and the Restless, an American soap opera on the CBS network. Introduced by former executive producer Edward J. Scott as the daughter of trusty Chancellor family maid, Esther Valentine (Kate Linder), the character was born onscreen on July 27, 1990. On February 6, 2008, executive producer/head writer Josh Griffith introduced a new character, Chloe Mitchell, played by former All My Children actress, Elizabeth Hendrickson. Katherine Tina Valentine was introduced by former executive producer Edward J. Scott, born onscreen during the episode that aired July 27, 1990. 
July 27, 1990 (1990-07-27) On February 6, 2008, executive producer/head writer Josh Griffith introduced a new character, Chloe Mitchell, played by former All My Children actress, Elizabeth Hendrickson. Katherine Tina Valentine was introduced by former executive producer Edward J. Scott, born onscreen during the episode that aired July 27, 1990.