Megatokyo is an English-language webcomic create by Fred Gallagher and Rodney Caston, debuting on August 14, 2000, and then written and illustrated solely by Gallagher since July 17, 2002. Gallagher's style of writing and illustrations is heavily influenced by Japanese manga. Megatokyo is freely available on its official website, with updates on Monday, Wednesday, and Friday. It is among the most popular webcomics, and is currently published in book-format by CMX, although the first three volumes are published by Dark Horse. Sales of the comic's print editions rank it as the best selling original English-language manga.