Lego City Adventures is an animated series set in a busy metropolis. The series follows the adventures of the city's community workers, such as the police, firefighters and sanitation workers.[2] Among the characters thrust into extraordinary adventures are cop Sgt. Duke DeTain, crisis-ready fire Chief Freya McCloud, grumpy street sweeper Shirley Keeper, eager handyman Harl Hubbs, dedicated city Mayor Solomon Fleck, Vice Mayor Carol Yea, rivalry business people R.E. Fendrich and Mary Sinclair, Freya's troublesome nephew Billy McCloud, and skateboarding police Chief Percival "Wheelie" Wheeler.