OK here is a new contender.
GR Research Mercurial or Mercurials. My thought was something quick and mercury was once known as Quick Silver.
Main Entry: 1mer?cu?ri?al
Function: adjective
Date: 14th century
1 : of, relating to, or born under the planet Mercury
2 : having qualities of eloquence, ingenuity, or thievishness attributed to the god Mercury or to the influence of the planet Mercury
3 : characterized by rapid and unpredictable changeableness of mood <a mercurial temper>
4 : of, relating to, containing, or caused by mercury
Thoughts?