The U-Men kidnapped and mutilated Martha Johansson, removing her telepathic brain & keeping it alive in a jar. Rescued by the X-Men, she became known as No-Girl by the other students since she had no body. Using the Krakoan resurrection tech, she was given a new body and the codename Cerebella.

Cerebella

The U-Men kidnapped and mutilated Martha Johansson, removing her telepathic brain & keeping it alive in a jar. Rescued by the X-Men, she became known as No-Girl by the other students since she had no body. Using the Krakoan resurrection tech, she was given a new body and the codename Cerebella.

All data from the awesome folks at Marvel.