Characters
- T-Rex
- Ferocious, massive, and brightly-colored, T-Rex is the most powerful of all attack-class vivosaurs.
- Hero
- You take control of the newest visitor to Vivosaur Island, with dreams of becoming the greatest Fossil Fighter of all.
- Rosie Richmond
- Rosie is one of the first Fossil Fighters that you'll meet when you set foot on Vivosaur Island. Curious and spunky, she'll prove to be an invaluable companion.
- Stego
- One of Dr. Diggins' favorite vivosaurs, Stego is an effective all-around fighter.
- Brachio
- This towering vivosaur is a force to be wreckoned with. Wreak havoc on the enemy field with Brachio's Mighty Stomp skill.
- BB Bandits
- This villainous organization of Fossil Fighters are up to no good on Vivosaur Island.
- Krona
- Some consider the monstrous Krona to be the T-Rex of the seas. With such powerful long-range attacks, it's easy to see why.
- Dr. Diggins
- The knowledgeable but absent-minded head of the Fossil Center knows all there is to know about fossil hunting.
- Ptera
- Frequent critical hits and excellent support effects make this vivosaur a valuable addition to any Fossil Fighters' roster.
