Mercury Girl is a liquid metal robot made of Mercury with almost limitless shape shifting abilities. She was designed by Dr. William Magnus a brilliant robotic expert
- Superhuman Durability: Liquid mercury can be used as a coolant for nuclear reactors
- Chemistry: Mercury is an expert in the field of chemistry as it relates to the element of Mercury.
- Although this character was originally introduced during DC's Earth-One era of publication, their existence following the events of the 1985–86 limited series Crisis on Infinite Earths remains intact. However, some elements of the character's Pre-Crisis history may have been altered or removed for Post-Crisis New Earth continuity, and should be considered apocryphal.
- 2 Appearances of Mercury Girl (New Earth)
- 1 Images featuring Mercury Girl (New Earth)
- Quotations by or about Mercury Girl (New Earth)
- Character Gallery: Mercury Girl (New Earth)