
1) English boy name 2) Fictional shapeshifter 3) Miami Vice informant 4) Unisex given name
Found on
https://www.crosswordclues.com/clue/izzy

Izzy is a common nickname for the given names Israel, Elizabeth, Isaac, Isambard, Isidore, Isabel, Isabella, Isaiah, Izzet, Ismail, Izebel, Izmara, or Isam(عصام). It may also refer to: ...
Found on
http://en.wikipedia.org/wiki/Izzy

Izzy is an English name for boys and girls. The meaning is `gift of Isis` The name Izzy is most commonly given to Dutch girls. (13 times more often than to American girls.) In France it is (almost) solely given to girls It is short for: Israel If it's too long you might use: Isaac, Isidore, Zak, Zack Use for the other sex: Isidora What do they use ...
Found on
https://www.pregnology.com/names/mixed/Izzy
No exact match found.