Mole

Mole is a primary protagonist and former antagonist in Union Kingdom. A former 12 year old assassin, robbed of her identity and instructed to kill all superheroes using her powerful quirk, she eventually rebelled from her life and decided to join Team Rescue after they defeated her.

Personality
Mole is incredibly aggressive, not caring about people's feelings or how they'll respond to what she says or does due to her time as an assassin. She is incredibly good at noticing small details, and can pinpoint enemy weaknesses with ease. However, she is also incredibly cocky and generally enjoys working alone, putting her at odds with her team a lot.

Quirk
Earth Manipulation: She has control over the ground, allowing her to manipulate it to her will to create objects, weapons and more.

As well as her quirk, she is highly trained and thus incredbly agile and has a mastery over various martial arts. She is also highly intelligent for her age and acute, being able to notice enemy weakenesses with ease.

Trivia

 * She is the only member of Team Rescue to lack a regular name and a hero costume.