The Greenies

The Greenies are the kids from Julie's Greenroom. Former Greenies include Gus (played by Giullian Yao Gioiello), Idina Menzel, Chris Colfer ...

Peri
Peri was the first to arrive

Fizz
Penelope Guadalupe Fitzgerald Sanchez, or "Fizz", was the second to arrive

Hank
Hank and Spike were the third and fourth to arrive

Spike
Spike and Hank were the third and fourth to arrive

Riley
Riley was the fifth to arrive, although she was expecting Robotics Class