Darwin "Spitz" Howards is an Character of the 1997 Tajaha saga WarioWare.
- Gender: Male
- Species: Wildcat
- Alignment: Good
- Age: 22
- Occupation: Dribble's Co-Pilot
- Personal Color: Yellow
- Girlfriend: Freyda (Seen in WarioWare: Portfolio Cartoon)
- First Introduced: WarioWare 1 (1997).
- WW: Portfolio Cartoon Debut: S01 E03A: My Dog & Cat Friends.
- Friends: Wario, Mona, Penny, Orbulon, Ashley, Dribble (Parther), Kat, Ana, Young Cricket, Jimmy. T, 9-Volt, 18-Volt (as Best Friend Only in WarioWare: Portfolio Cartoon), Dr. Verne Crygor, Mike.
- Friends (Only seen in WarioWare: Portfolio Cartoon): Picuyi, Timm, Socki, Jimmy. P, Mini-Wario, Tony, Natalie, Freyda (Girlfriend in the Show).
- Rivals: , Dashy (formerly), .
- Enemies: Dr. Keith Ventor, Black Jewel, Evil Spitz (Evil Counterpart), Captain Syrup, Splunks, The Dinosaurs, Muncher the King, Poke Meat (Enemy Franchise), .
- Enemies (Only seen in WarioWare: Portfolio Cartoon): Deadrabbit, Virusis (Worst Enemy), Henlarsey, Clarky, Frederick (formerly).
Counterparts (WarioWare (T,J&H Productions) Version)
- Stepney (Thomas the Tank Engine and Friends)
Counterparts (WarioWare: Portfolio Cartoon Version) (Male Version) (Hero Version)
- Duck (Thomas the Tank Engine and Friends/The Railway Series)
- Grampus (TUGS/Salty's Lighthouse)
- Baddeck (Theodore Tugboat)
- Dan (Shining Time Station)
- Crash Bandicoot (Super Mario Bros.
- Rotor the Warlus (Sonic the Hedgehog)
- Harold William Reginald (SpongeBob SquarePants)
- Aku-Aku (Furze Bandicoot)
- Spelunky (Super Poke Meat)
- Furrball (Tiny Toon Adventures)
- Chinese Gwene (Doki's Big Wonderland)
- Ace (The Powerpuff Girls)
- Sylvester Cat (Looney Tunes, both are Cats)
- Neo Cortex (JamesWaves)
- Buttons (Animaniacs)
- Wade Duck (Garfied and Friends)
- Master Meteor (Puck Plugers)
- Craig H. Turtle (Claude & Cia's World)
- Martin Prince (The Simpsons)
- Keeby (Kirby)
- Squirtle (Pokemon)
- Norwood (Wreck-it Ralph)
- Zack (Chuggington)