The cabbage-pult was a must!

Brainiac Maniac OST by Laura Shigihara
Demonstration Mini-Game OST by Peter McConnell
Brainiac Maniac DS OST by Laura Shigihara
Brainiac Maniac Remix (2.1) by TheGerryRemix: http://tindeck.com/listen/wuwm
Brainiac Maniac (Revamped) by LordGavinGames:    • Video  
Brainiac Maniac (Rock Cover) by Christian Richardson:    • Dr. Zomboss / Brainiac Maniac - Plant...