Mr. Sheer was the English language teacher at Zane Carver's school in the Demigods of Olympus series.
Demigods of Olympus
My Two-Headed Guidance Counselor
Me. Sheer gave a pop quiz but before the quiz could start the voice of Ms. Lane, came over the loudspeaker asking him to send Zane Carver, to the principal’s office.
| The Demigods of Olympus | |
| Core Series: | My Two-Headed Guidance Counselor | The Library of Deadly Weapons | My Demon Satyr Tea Party | My Personal Zombie Apocalypse |
| Main Characters: | Zane Carver | Sam Greenwood |
| Minor Characters: | Marilyn | Mr. Sheer | Ms. Lane | Ms. Roche | Lexi | B | Phil | Mike | Marie Laveau | Byron | Lou Garoo | Tabitha | Ming | Ely |
| Olympian Gods: | Zeus | Hera | Poseidon | Demeter | Ares | Athena | Artemis | Hephaestus | Aphrodite | Hermes | Dionysus | Hades |
| Minor Gods: | Barton | Columbia | Libertas |
| Titans: | Mnemosyne |
| Monsters and Magical Creatures: | Aethiopian Saytrs | Daimones Keramiko | Leonte | Lycanthrope | Mormo | Zombie |
| Related Content: | Rick Riordan | Percy Jackson and the Olympians | The Heroes of Olympus | The Trials of Apollo | Demigods & Magicians | Camp Half-Blood Confidential |