Whiskered Screech Owl (Megascops trichopsis)
I assume you mean Ezylryb, and if so, he is a Spotted Owl.
There's Soren, a Barn owl, Gylfie, an Elf owl, Digger, a Burrowing owl, Twilight, a Great gray owl, Metal Beak, a Barn owl with a metal mask, Nyra, a Barn owl, Kludd, a Barn owl, Noctus, Barn owl and father to Eglantine, Soren and Kludd, Marella, Barn owl and mother to Eglantine, Soren and Kludd, Boron, snowy owl and king of the Ga'hoole tree, Barran, snowy owl and queen of the Ga'hoole tree, Ezylryb or Lyze of Kiel, whiskered screech owl and leader of the guardians, Otulissa, spotted owl and snotty, chatterbox owl in the books, Primrose, pygmy owl, and I don't know the rest. But these might do.
barn owl
barn owl
The owl who teaches Soren and Gylfie to fly in Legend of the Guardians book 1 is known as Ezylryb, also called "the Lyze of Kiel". He is a legendary and experienced warrior with exceptional flying skills who mentors the young owls in their quest for knowledge and courage.
The Teet-Owl
That depends on which type of owl that is.
The Tawny Owl
A Interster Owl
owl nest
barn owl
of a normal owl