joker

the joker in the pack

someone or something that could change a situation in a way that you do not expect The independent candidate is the joker in the pack in this election.

joker

n. a man; a guy. Who was that joker I saw you with last night?

Common Names:

Name	Pronounced	Usage
Kinsley	KINZ-lee	English (Modern)
Tamaz	-	Georgian
Jacobina	yah-ko-BEE-nah	Dutch
JaŠA	-	Slovene
Zusa	-	Yiddish
Poncio	PON-thyo (Spanish), PON-syo (Latin American Spanish)	Spanish