Ruby Ramirez

"Ruby Ramirez? Sounds Spanish. Judging by that, she's kinda Hispanic, I think... but still, I like that way she looks, her shirt, her tomboyish look, and she had the ideas of an inventor as well."

--Su Ji-Hoon, The Arrival

Ruby Ramirez is an inventor and the leader of the Preschool Girls. She is from Rusty Rivets.

Also, judging by her leadership, she is the main protagonist of When the Cold Breeze Blows Away.

Description
Ruby is Rusty's best friend, who helps him on missions. It is her job to call the Bits into action when a problem arises. She always carries a tablet computer with each of the robots' icons on it.