Cylan kind of reminds me of Cylon - the robot creatures from Battlestar Galactica.

Azarias is lovely

I saw a TV program in which someone was named Septimus and I thought it was very cool. Other great Latin names include Atticus or Terminus (meaning the end, boundary, limit). Osiris has a similar sound.

Ragnorak is the end of the world in Norse mythology.

Asim meaning limitless in Sanskrit
Orion is another galaxy type name that means boundary, limit
Jupiter is the fifth and largest planet in the solar system. Greek name - Zeus
Seong is Korean for completed