Shawn Boswell

When Shawn was on a hiking trip with his three friends, he never expected that he would stumble upon four lost Celestial Guardian Beasts. The Celestial Bison chose Shawn for having the "Strength of Stone", and made him the Blue Cosmos Ranger. As a Ranger, Louis has the elemental power of Earth and the strong spirit of the Bison.

Arsenal

 * Celestial Morpher
 * Celestial Mace

Zords

 * Bison Liner CosmosZord