In a piece of Crash Twinsanity concept art, a finished 3D model of an Unnamed Fire-Breathing Creature can be viewed in it. This piece of concept art can be seen in the Yellow Gem Extras/Unseen Gallery. These enemies were clearly made for Crash Bandicoot: Evolution. Its affiliation or species are currently unknown. It is assumed that it would have been an enemy.
It slightly resembles a bat, but is much larger, is blue and black with white detailing, has large feet, and has a thorn on its wings adorned with a blue circle. But the most notable difference is that it has the ability to breathe a mass amount of fire on its foes.
Crash Bandicoot: Evolution
This enemy possibly could have been created for Crash Bandicoot: Evolution, but its whereabouts in the game are unknown. It might have been for an ice planet not seen in the concept art (due to it having icy colors), which might explain the irony of it being able to breathe fire.
It is unknown if this enemy was considered for Crash Twinsanity, but it can still is seen in the game’s unseen gallery.