Gleek (Earth-Prime)

"Sounds like we need to call pest control. What was that?"

- Sara Lance and Barry Allen

Gleek is an alien monkey which was kept in the Hall of Justice.

Imprisonment
Prior to the formation of the Justice League, Gleek was imprisoned in a cage in the Hall of Justice. During the team's first meeting, Gleek escaped his imprisonment, much to the annoyance of Sara Lance.