If you've been on the internet for more than five minutes today, you have assuredly had your heart melted by Batkid, the five-year-old cancer patient who has spent the day "fighting crime" in "Gotham City" thanks to the efforts of the Make-A-Wish foundation and local volunteers.

Batkid's latest stop was at AT&T Park, where he freed the San Francisco Giants' mascot from the clutches of the evil Penguin. Suck it, Penguin.