Taking to X (formerly Twitter), Richard Dawkins wrote: '"Mischievous" has no third "I" and is pronounced with the stress on the first syllable. 'But a mutant 'I' + stress on 2nd syllable is spreading.

Pretty Mischievous was sired by Into Mischief, who is the sire for three horses set to run in Saturday’s 149th Kentucky Derby: Cyclone Mischief, Rocket Can and Sun Thunder.