Choujinki Flippy Metalder (超人機 フリッピーメタルダーChōjinki Furippī Metarudā) is a crossover of Happy Tree Friends and the Metal Heroes series Choujinki Metalder. The story begins with Flippy and Flaky seeing Metalder and the Evil Flippy creating an Empire of Evil called Evil Flippy's Neros Empire (邪悪なフリッピーネロス帝国 Jaakuna Furippī Nerosu Teikoku).
Characters[]
- (Metalder) Flippy
- Flaky
- Cuddles
- Giggles
- (Top Gunder) Toothy
- (Ben K) Sniffles
Evil Flippy's Neros Empire members[]
- Evil Flippy
- Beautiful Secretary Gara and Beautiful Secretary Kirika
- The Four Armies of the Evil Flippy's Neros Empire
- Warioware Army
- Victorious Saint Wario
- Brave General Mona
- Violent Spirit Young Cricket
- Violent Spirit 9 Volt
- Heroic Fighter Ashley
- Heroic Fighter 13 Amp
- Heroic Fighter 18 Volt
- Light Fighters Kat and Ana
- Strong Fighter Penny Crygor
- Explosive Fighter Orbulon
- Fierce Fighter Dr Crygor
- Furious Fighter Jimmy T
- Medium Fighters Dribble and Spitz
- Unikitty Army
- Victorious Saint Unikitty
- Brave General Puppycorn
- Strong Fighter Dr Fox
- Furious Fighter Hawkodile
- Medium Fighter Richard
- Fierce Fighter Feebee
- Light Fighter Master Frown
- Heroic Fighter Brock