Ricky was a female hologram, a character in Tom Paris' holodeck program, Paris 3.

Paris was fascinated with Ricky and made sure to include her in every program he created. She made Sandríne jealous with her outward affection toward Paris and was herself bugged by the importunity of the gigolo. (VOY: "The Cloud")

Ricky told Harry Kim that Paris was hustling him at pool. (VOY: "Meld")

Ricky was played by actress Angela Dohrmann who is listed as "Ricky (Female)" on the call sheets.
Dohrmann filmed her scenes for "The Cloud" on Tuesday 6 December 1994 and for "Meld" on Friday 17 November 1995 on Paramount Stage 16.