H2O is the best.CLEO/I think cleo is the best because she is nice and smart. RIKKI/Rikki is the cool one to me. Now Emma, well she really smart very nice but a little mean. LUIS/Luis is very very smart and the only one who will not stare at the moon. BELLA/Bella is the new one. She became a mermaid in another place. WILL/Will had to learned the hard way. ZANE/Zane learned the the crazy way. ASH/Ash learned the nice way Emma just told hem. Cleo and Luis are in प्यार , Rikki and Zane are in प्यार and Bella and Will are in love.