Gilbert G.P. Guilford

Gilbert G.P. Guilford is a character in Code Geass. He is the confidant and personal knight of Princess Cornelia li Britannia and the leader of the Glaston Knights after Andreas Darlton's death.

First Season
Gilbert G.P. Guilford helped Princess Cornelia li Britannia establish Area 18 before entering Area 11 and shortly after arriving with Cornelia, Guilford informs Jeremiah Gottwald of his demotion. After entering Area 11, Guilford continues to help Cornelia hunt for Zero. He along with Cornelia destroys several rebel strongholds, but finds no clues to his whereabouts. When Cornelia sets a trap for Zero at the Saitama Ghetto by simulating the conditions in Shinjuku Ghetto and just when she believed she cornered him, however, Zero, who is actually C.C. who donned Lelouch vi Britannia's Zero costume, reveals "himself" to the Britannian Army, distracting Cornelia from her plans. However, Cornelia orders Guilford to command the Britannian Army to allow Zero to escape, believing that he already has an escape route since "he revealed "himself".

During the Battle of Narita with the Japan Liberation Front, he squares off against Kyoshiro Tohdoh's Burai Kai in his Gloucester. The aftermath of the battle revealed that all the Burai Kais have been abandoned, indicating that Tohdoh had been forced to retreat. Guilford continues to serve Cornelia until she is injured in the Black Rebellion. During the rebellion, he and the Glaston Knights ultimately routed the Black Knights, capturing Tohdoh and many other leading members.