Great reasons to let your beard grow: Sun Protection. According to recent research, beards block up to 95 percent of the sun's UV rays, which can play a huge role in preventing basal-cell carcinomas (the most common form of all cancers).
Ragnar Lodbrok from the Viking TV Show with a raven on his shoulder. According to Viking mythology, Odin would often appear as a raven. Ragnar Lodbrok claimed to be descended from Odin and many Vikings believed this.