Location: New Donk City Rooftops, Metro Kingdom
Phase 1: Mechawiggler is a giant robotic centipede that charges across the rooftops. Capture a nearby electrical wire with Cappy. Slingshot yourself into Mechawiggler's head. This will stun it and damage it.
Phase 2: It will speed up and become more aggressive, charging more frequently. The strategy is the same: capture an electrical wire and slingshot into its head. Be mindful of its increased speed and the timing of your slingshot.
Phase 3: Even faster and more unpredictable charges. Continue to capture electrical wires and hit its head. Three hits will defeat it. The challenge is timing your slingshot to avoid its body and hit its head.
Reward: Multi Moon