Nothing gets your heart racing like best slot games, and online slots aren’t like the old one-armed bandits your grandparents used to spin. You don’t just pull a lever and hope for a matching row of cherries, bars or bells. Online slots are more like video games, designed with incredible graphics, immersive story lines and (perhaps best of all) awesome characters. Some of these slot machine characters are so awesome, they’ve earned the status of heroes in the online gaming world. Take Finn for example. The star of NetEnt’s Finn and the Swirly Spin, this charming leprechaun shot to fame…