Combine gin, lemon juice and simple syrup in a pitcher. Stir.
Fill 4 glasses to the brim with ice then fill 3/4 with the Tom Collins.
Add a few splashes of club soda.
Garnish each glass with an orange and a cherry.
Note: To make the simple syrup, combine 1/4 cup of sugar and 1/4 cup of water in a small saucepan. Place over medium-high heat and stir until the sugar dissolves. Cool.