Midnight Martini

Ingredients

1 oz. Gin
1 oz. Dry Vermouth

Mix together with crushed ice in a glass and garnish with mint leaves.
(idrink.com)

Here's another drink called The Midnight Martini using coffee & vodka.

1 1/2 ounces Vodka or Coffee Vodka
1/2 ounce Coffee Liqueur
1/4 ounce Cinnamon Syrup (Optional)
Garnish: Lemon Twist

Pour the ingredients into a cocktail shaker with ice.
Stir with a bar spoon.
Strain into a chilled cocktail glass.
Garnish with a lemon twist.

Midnight Martinis are also often served as a shooter -- just shake, strain into a shot glass.

https://www.thespruce.com/midnight-martini-recipe-761113