Cool idea, but no, he is not. He was killed by another knight who caught him in a romantic interlude. Ghosts, in the setting he was made for, can learn to be solid and seem alive, but they retain the appearance they had at the time of death, except for visible open wounds. Having been beheaded, his is removable at will.
Cool idea, but no, he is not. He was killed by another knight who caught him in a romantic interlude