Haven't yet given this a proper read, but was motivated to find it after stumbling upon this (H/T to The Morning News newsletter): https://www.futilitycloset.com/2025/08/08/and-theyre-off/

Unusual names of racehorses, collected by Paul Dickson in What’s in a Name?, 1996:

    Bates Motel
    Disco Inferno
    Up Your Assets
    Race Horse
    Crashing Bore
    English Muffin
    Leo Pity Me
    Cold Shower
    T.V. Doubletalk
    Ranikaboo
    Holy Cats
    Hadn’t Orter
    Strong Strong
    Honeybunny Boo