Robo Fed (tentatively named Executron) is a minifigure released in 2014 as part of the LEGO Movie theme. The Robo Feds are voiced by David Burrows alongside the other robots that work for Lord Business.
The LEGO Movies
In The LEGO Movie, a lot of Robo Feds are seen in the cubicles when Lord Business goes to meet Bad Cop/Good Cop. In MetalBeard's flashback, it is shown that The Flash and Ringmaster encountered a lot of Robo Fed's during MetalBeard's earlier raid on the Octan Tower.