mercurial (mər-kyoorˈē-əl)►
adj. Roman Mythology Of or relating to the god Mercury.
adj. Astronomy Of or relating to the planet Mercury.
adj. Having the characteristics of eloquence, shrewdness, swiftness, and thievishness attributed to the god Mercury.
He said it last night too.
character
1.
n
a characteristic property that defines the apparent individual nature of something
2.
n
a person of a specified kind (usually with many eccentricities)
3.
nv
a written symbol that is used to represent speech
4.
n
(genetics) an attribute (structural or functional) that is determined by a gene or group of genes