The King of Castle Dunwyn. He is a good king who cares greatly about the problems of his people. He protects them from villains like Igthorn, and takes great charge in battle.
His pride and joy is his daughter, Calla, whom he would do anything for. This later includes considerable respect for her fighting skills as a warrior when he experienced them first hand as secretly part of a series of trials. In doing so, he was deeply impressed at how formidable Calla has become.
He is unaware that Gummi Bears live in Dunwyn and have helped defend his kingdom, despite actually meeting the Gummis on multiple occasions, such as when Grammi and Sunni tried to warn him of a wild animal, the beast turns on Grammi, causing King Gregor and Sir Tuxford to have to save Grammi in danger.
King Gregor agains Duke igthorn
Gregor and Calla Hug Each Other
King Gregor Princess Calla in the Throne Room Chairs With Cavin