in series 3 Cleo is 16 Emma is 18 and RIKKI IS ... 17
As of 2021, the main cast members of "H2O: Just Add Water" are in their late 30s and early 40s. Cariba Heine (Rikki) is 32, Phoebe Tonkin (Cleo) is 32, and Claire Holt (Emma) is 33.
cleo squibb is 8 yrs old
Mermaids are as real as your imagination can make them. They can be as old as you want them to be.
mermaids get their tail any time thy chande to mermaids
Cleo De Nile is 5842 years old
Cleo Odzer is 61 years old (birthdate: April 6, 1950).
In season 1 they're 15-16, in season 2 they're 16-17 and in season 3 they're 17-18.
US actress Cleo Massey is 24 years old (born November 19, 1993).
Dame Cleo Laine is 83 years old (birthdate: October 28, 1927).
Cleo Moore was born on October 31, 1928 and died on October 25, 1973. Cleo Moore would have been 44 years old at the time of death or 86 years old today.
Richard Ream, aka Rikki Rockett, is 56 years old (birthdate: August 8, 1961).