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
CÉIbhfhionn	-	Irish Mythology
Bryanne	-	English (Rare)
Gavrila	-	Romanian
NurettİN	-	Turkish
Ealisaid	-	Manx
Annett	-	German