There are 13 Royal Knights. However, only 11 of them have been revealed. They have appeared in Frontier, Data Squad, and X-Evolution. They are all servants of Yggdrasil. The newest revealed knight is Slayerdramon. I have listed the Royal Knights in alphabetical order.


Name: Alphamon
As said in X-Evolution, Alphamon is the 13th Royal Knight. He is also the leader of them.


Name: Cranimmon
The closest knight to Yggdrasil in Savers/Data Squad.


Name: Crusadermon
One of the two Royal Knights to appear in Frontier. Portrayed as male in japanese versions, but female in the english Frontier dub.


Name: Duftmon
Made his first appearance in Savers/Data Squad. Destroyed by Ravemon and Rosemon's Burst Mode.


Name: Dynasmon
Appeared in Frontier with Crusadermon. Dies in both Frontier and Savers.


Name: Gallantmon
First appeared in Tamers as the biomerge of Takato and Guilmon. In X-Evolution and Savers as well.


Name: Magnamon
Only armor-level. First appeared in Adventure 02. He is in Savers and X-Evolution too.


Name: Omnimon
First appears in Adventure's Our War Game. Appeared in Revenge of Diaboromon, Battle of Adventures, X-Evolution, and Savers.


Name: Slayerdramon
Slayerdramon is the newest revealed knight and the least is known about him than the other knights. He bares the least resemblance to the other royal knights.


Name: Sleipmon
The mega form of Kudamon in Data Squad. He doesn't take orders from Yggdrasil.


Name: UlforceVeedramon
He is the fastest of the Royal Knights. He is in Data Squad and in V-Tamer manga.