Chase McCain was a famous police officer well known throughout LEGO City who once brought down Rex Fury. Natalia testified against Rex anonymously, but Chase accidentally gave her identity away. But despite the accident, Gleeson promoted him to Detective, but Dunby applies a transfer for Chase, far away from LEGO City,albeit, kicking him onto the boat to transport him away. Two years later, he returned on Mayor Gleeson's request and found out Rex Fury escaped and had begun a huge crime wave. In order to protect Natalia, Chase once again became a policeman and went undercover to bring down Rex Fury once and for all.
- Chase McCain is a Good Friend to Dora the Kid, Good Cop/Bad Cop, Chase and Perry the Platypus/Agent P in Doraemon's Adventures of LEGO City Undercover.
- Chase is scared of French Parrots.