The Blue Knights are anonymous knights of Epic. Their faces are never shown, hiding their identities. They are usually seen roaming the kingdom, or helping defeat a villain.
Here are unique blue knights, whom have small roles in My Knight and Me.
Map Knight
He is seen in How To Save a Princess, with a map of the kingdom. However, the wind blows it away and he loses it. He has a Scottish accent.
Frog Knight
The "Frog Knight" is seen as a normal frog in Bad Bad Mandolin. When the Witch comes to wreck havoc in the castle, she turns the frog into a knight.
Jubilee Knight
The Jubilee Knight gives back Henri's (original) Mandolin in Bad Bad Mandolin after Jimmy drops it off a cliff. He later plays the drums at the Jubilee.
Top Knight
The Top Knight is seen as #1 ranked knight on the leaderboard in Road Knight. However, this is temporary, as Henri becomes First Knight.