Both are spirit-forward, but the Boulevardier uses bourbon instead of gin and has a more intense flavor profile due to the whiskey.

Both are gin-based with vermouth, but the Negroni uses Campari for bitterness, while the Hanky Panky uses Fernet-Branca for a more herbal and complex bitterness.

Both use gin and vermouth, but the Martinez includes maraschino liqueur for a sweeter, more complex flavor compared to the Hanky Panky's herbal bitterness.

Both feature rye whiskey, but the Old Pal uses dry vermouth, which gives it a drier, spicier profile compared to the Hanky Panky's sweet vermouth and Fernet-Branca.

While both are spirit-forward, the Penicillin uses blended Scotch whisky and honey, offering a smoky and sweet profile that contrasts the Hanky Panky's herbal bitterness.