Targent is a criminal organization led by Leon Bronev and an antagonistic faction in the game series Professor Layton. They are some sort of army and want to take control over the 3 legacies of the Azran CiviliZation.
At first, they were only a small group of researchers. After they kidnapped Leon Bronev, they grew to into an evil military organization under his leadership.
The Miracle Mask
The Azran Legacy
In the town of Froenborg they appear again, after Professor Layton and professor Desmond Sycamore managed to release a girl related to the Azran Civilization from an ice wal in a cave.
They are later defeated by Scotland Yard and Executive Officer Swift decides to turn the organization into a benevolent group again.