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Master Lord Majesty is a small cat with yellow fur. He is dressed in royal clothes, his blue cape with furry yellow stars, trousers and vest. He also has a patterned cheese slip under his clothes.
He has a scepter surmounted by a cat's paw and a gold crown on his head that symbolize his rank of king.
He has a rather cunning and mischievous personality, even though he doesn't seem to have a bad background. He amuses himself by ripping off the newcomers of Artemis with contracts, to indebt them so that they help, despite their approvement, the development of the Institute. He is also very exuberant and nonchalant at the same time. Also, money seems to be his own sin, he likes to tax all and anything at ridiculous prices.
This crazy personality also seems to be a facade that hides someone who knows more than it seems. Listening to some topics Master Lord Majesty can lose all his jokey and take a more serious look, especially about Radiant or Seth's "brother"
It is noticed that the King of Artemis has an dark and mysterious interest for Seth. Indeed, the ambition of the horned boy to find the Radiant has got his attention. He asks Seth if he has a brother, as if he had already met another horned boy in the past. During the events of Rumble Town, Master Lord Majesty's providential train appeared from nowhere to help Seth and his group at the right time. He sent his henchmen out to where Seth and the group were, as if he had kept an eye on Seth, even though he didn't defended him.
Apparently she and Master Lord Majesty know each other. She even advised Seth to be wary of the yellow cat before he left Pompo Hills.
- He has fun renaming other people with over-compound names to extend them. For that reason, he decides to call Seth "Jean Pedrovitch de la Noche Salomon Grispépin Wondersmith".