MADNESS COMBAT by XBL on Newgrounds

A truly classic series on newgrounds Would recommend Madness 5 is the best one

Best crossover by XBL on Newgrounds

Friday Night Funkin' x Madness Combat - CATACLYSM by MaxOKE on Newgrounds

datsalty's Madness Combat Liz by Volt-Jolt on Newgrounds

ANTAGONISTS by Cymbourine on Newgrounds

Madness by AokiCyber on Newgrounds

FlukeDude

Madness: Project Nexus by AokiCyber on Newgrounds

Madness Happy New Year 2013 by GabrielBarsch on Newgrounds

Soapbox: The Founder Of Newgrounds Will Receive An Award At GDC - Here's Why That Matters

Madness - Salty (Liz) by YumiPan on Newgrounds

Madness Combat 5.5