Teresa

"You're human, you should be scared."

— Teresa

In The Maze Runner, the day after Thomas arrived in the Glade, Teresa showed up unconscious in the box. This was a huge shock to the Gladers because Teresa was the first female to ever come to the Glade. At first she was believed to be dead by the other Gladers until she sat up and declared, "Everything is going to change," before falling back into an unconscious state. The Gladers found a message in her right fist from the Creators that read, "She's the last one. Ever." She spent the next several days in a coma. When she finally woke up, she wrote on her arm, 'WICKED is good'. The Gladers didn't trust her, so they threw her into the Slammer. Teresa and Thomas formed a bond and communicated with each other telepathically. When the Gladers escaped the Glade, she, along with Thomas and Chuck, turned off the Grievers. After they were transported to a new building by WICKED, Teresa was put into a separate dormitory from the rest of the Gladers. She was last seen taken to the room, but later spoke telepathically with Thomas.