Authors:

Have a care how you speak to me, Imp. Doubtless he meant to sound threatening, but that absurd wisp of a mustache ruined the effect.

George R. R. Martin (2012). “George R. R. Martin's A Game of Thrones 5-Book Boxed Set (Song of Ice and Fire Series): A Game of Thrones, A Clash of Kings, A Storm of Swords, A Feast for Crows, and and A Dance with Dragons”, p.1038, Bantam
Have a care how you speak to me, Imp. Doubtless he meant to sound threatening, but that absurd wisp of a mustache ruined the effect.