Peridot

Peridot is also one of the original Jewelpets of Season 1, she's a yellow and green Papillon who symbolizes dream fulfillment. She wears a hairclip shaped like a butterfly, and a yellow and green flower garland around her neck. Debuting in Episode 12, she's the Gajin of all the residents of Jewel Land. She's popular, energetic and an English Speaker, who sometimes says some English words because of her bilingual skills. She's also one of the owners of the "Strawberry Cafe" in both Jewel Land and on Earth along with Milky and Luna.

In Jewelpet Tinkle, she's one of the three assistant Jewelpets of Halite who has the ability to see through someone's dreams, especially when she noticed on how not sure what Akari's dream is. Her birthday is on August 3rd and her name is based on the jewel Peridot. (source: Wikipedia)