((this is the desert side of Planet Kronsa when you introduce your character show an example of what the jungle side looks like))
Long ago there was a Furyan called Riddick. He ended up back on his home planet Furyia. No one hunted him and he lived. Then he found love and had a beautiful baby boy who bared a great resemblance to him. through the years the child of Riddick grew to the age of 17 and became just like his father but more ruthless, more deadly, more clever, and more dangerous. Riddick and his Son were found by a group of mercs. Riddick died protecting his son and Roak in turn became in raged of the loss of his father and killed the mercs and stole their ship and went off world leaving Furya behind but before leaving he buried his father biside his mother. Roak left never to be seen again until 5 years later a group of mercs come to find him. They were given a bounty on Roak's head. Roak landed on Planet Kronsa(Desert side) in the stolen merc ship. the desert side of the planet was once a great city built but went to ruin from a great tragedy but only the jungle side of the planet remained in tact. Roak has been stranded for 5 years on Kronsa with no way out. So he waits for his time to leave this forsaken planet. The mercs land on the jungle side after 5 years of searching for Roak.
what his son Roak looks like at 22
Riddick looks like before he died
both are similar but have different personalities