Jekyll and Hyde

plural Jekylls and Hydes · plural Jekyll and Hydes · alternative Jekyll-and-Hyde · alternative Dr. Jekyll and Mr. Hyde

1. Someone or something that has two sides: one good (the "Dr Jekyll") and one bad (the "Mr Hyde").

   GizmoDuck: Excuse me! Just a little case of Jekyll and Hyde, that's all!

   1989, “Super DuckTales Part 3: Full Metal Duck”, in DuckTales, season 3, episode 8

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   The public will be better off if United and Western are true competitors, instead of a pair of Jekylls and Hydes.

   1944, United Air Lines, Inc, Before the Civil Aeronautics Board: Briefs, Exhibits, etc. (page 28)

   America! / The international Jekyll and Hyde / The land of a thousand disguises / Sneaks up on you but rarely surprises

   1974, “H2Ogate Blues”, in Winter in America, performed by Gil Scott-Heron

   Charles Xavier: That was my… Evil self, X-Men. The Charles Xavier who would use his powers for personal gain and conquest--The Mr Hyde to my Dr Jekyll.

   1977, “Dark Shroud of the Past!”, in Uncanny X-Men, number 106, page 31

   Studying geometry is sort of a Dr. Jekyll-and-Mr. Hyde thing. You have the ordinary geometry of shapes (the Dr. Jekyll part) and the strange world of geometry proofs (the Mr. Hyde part).

   2011, Mark Ryan, Geometry Essentials For Dummies, John Wiley & Sons, →ISBN, page 5