I find original characters added for co op in Lego games fascinating. and so, with absolutely no one asking for it, here's an image that talks about some unused secondary protagonists in
LEGO City: Undercover - Co-op Gameplay - YouTube
Amazon.com: LEGO City Undercover (Xbox One) : Video Games
Amazon.com: LEGO City Undercover - PlayStation 4 : Whv Games: Everything Else
Warner Bros PS4 Oyun Lego City Undercover - Vatan Bilgisayar
LEGO® CITY Undercover for Nintendo Switch - Nintendo Official Site
New LEGO CITY Undercover Trailer, Co-Op Announced, Launching April 4 on Nintendo Switch - Pure Nintendo
Review: LEGO City Undercover - Co-op, chases, and crazy disguises | Outcyders