Menudo members on their Quiero Ser album

Menudo was a boy band from Puerto Rico which had 34 members (5 members at a time),including, from 1984 to 1989, future international superstar Ricky Martin. However, Martin was not a member when the 1981 album Quiero Ser was released, launching the band to international stardom and teen-idol-hood. Name the five members who were in what is considered as the golden lineup of Menudo...