Spike is a ThornTail. He has brown and yellow skin and red eyes.
Spike is a fairly noble-hearted, charming, calm and collected individual. He is extremely intelligent and a super genius. He is one of the most intelligent geniuses on the show. He has his doubts but does not disrespect an authority's commands. He is fairly competitive, especially with his fellow dinos, and is confident that he can accomplish whatever he sets his mind to. It is revealed Spike was orphaned as a child after a flood swept him away from his home. He was adopted by the Star Fox team.
He fights using his spiked tail.
Trivia:
Spike's name comes from his spiked tail.
He is the only Thorntail seen in the show.