### Clue: He fancied himself a handsome chap in bed (9)
### Answer: NARCISSUS 
 ### Explanation: Definition: He fancied himself
 Cryptic defn: In Greek mythology, the handsome young man who fancied/fell in love with himself, or rather a reflection of himself in a pool of water, presumably thinking it was someone in the bottom/bed of the pool. Thus lending his name to describe anyone who is self-centred and vain.