In 1965 Ricky #1090 was introduced as Skipper's friend.
He was sold till 1967 (1965 in the tan skin tone, starting 1966 in the pink skin tone).
Ricky had the same body (and markings) as the same years' SL Skipper dolls and Skooter: © 1963 Mattel, Inc.
He came in a box stating "Skipper's friend Ricky by Mattel" and was dressed in blue shorts, a striped jacket and red cork sandals. He had his own "Ricky" wrist tag. Included in the box were a black metal stand, liner, and booklet.
There were no gift sets with Ricky.
Both sides of Ricky's box:
Pink skin Ricky dressed in #1503 "Sunday Suit" from 1965 - 1967 and a tan skin Ricky wearing the pajamas from #1501 "Lights Out", also from 1965 - 1967: