Related Clues:
- Unknown character, to some extent eccentric
- Unknown, some screwball
- Engine getting round the bend
- Batty, in Mexico
- Engine off the rails
- Engine not all there?
- Not mentally sound, in Seville
- Batty, in Spain
- Engine — nuts
- Spanish nuts
- Mad kind of motive?
- A bit off-the-wall
- Like Bugs Bunny, per Elmer Fudd
- Knight lying down, perhaps, with some old clown
- Comically eccentric