Ivar the Boneless

Ivar the Boneless is a former viking warrior who made it to Valhalla. When Alex Fierro was banished to Spanish Inquisition era Ireland, he and other einherjar were released with a plan to bring back the viking empire of old.

Character History
Early on, he is oblivious to the random coins washing up on shore turning einherjar into monsters. He soon catches on makes haste to the ancient viking capital to capture it, but is beaten by the knights and instead shifts to making The Kells the new seat of the viking crown.

A rouge, Tobit Cromwell, them rises to help in the fight against Ivar the Boneless.

We see that he has a romantic relationship with 12th century Spaniard Chloe Fernando.

She discovered Rockopolis at an unknown time and planned to see if they could free it. However, that end up becoming the plan of Lord Thunderstrucks and Count Facetious.

Arsenal

 * Infinity Mace-allows him to walk, is also similar to Thor's hammer in function