Flamingo Wyverns are so named for their resemblance to the tropical birds with whom they often share territory. Their most striking feature is the bony black crest over their faces and snouts, larger in males, aiding both in digging up food and protection when fighting for mates. Males are duller in color than females due to their habit of wandering from nest to nest and picking from less algae-rich feeding grounds.

Dragons are highly-intelligent reptilian creatures that—from a human perspective, at least—appear to live forever. Many different varieties of dragon exist, each with their own unique qualities, habitats, and behavior. Adolescence in dragons is usually marked by the growth of a hatchling’s wings, although not all breeds of dragons grow wings and some breeds have other traits that indicate the beginning of maturation. In Galsreim, dragons and humans coexist peacefully.

Frehno gets most of his personality from his guardian, Pretty Pinky. Due to the system of their cave, a Flamingo dragon must be raised by the most capable adult Flamingo. In this case, Frehno was raised by the only Flamingo dragon and lady killer, Pinky. With his guardian's hobby of killing young female dragons, Frehno soon took on a similar liking. Rather than killing female dragons, he prefers to attack and kill female humans. He's attempted several times to murder his owner, Aquenee, during her sleep, but she was promptly protected by her violent ice dragons. Giving up on surviving the frosty breath, he took to attacking other girls, burning them to death in their homes. Luckily, he appears to be nice to other dragons, especially hatchlings, but he shares the same evil aura as his guardian. As such, many dragons tend to avoid him. When asked about why he takes the lives of others, he explains that he's simply frustrated or angry about something, and doing so will calm him down.