Tyrion Lannister is in a fantasy series.
A Song of Ice and Fire is a series of epic fantasy novels by the American novelist and screenwriter George R. R. Martin . Tyrion Lannister ( also referred to as `` the Imp '' or `` the Halfman '' ) is a fictional character in A Song of Ice and Fire , a series of fantasy novels by American author George R. R. Martin , and its television adaptation Game of Thrones .