Paint, mostly. But for effects, Photoshop. The Gaussian Blur is my friend.
For various reasons, (not least because I've grown tired of this username), I've moved my operations over to other websites. If you're interested in following my adventures as I explore and subvert the many worlds of Nintendo through prose, look for me on Archive of Our Own, Bulbagarden, or OverClocked ReMix as "Daidalos."
And if you're a fan or a comic-maker from the old days, thanks for more than five unforgettable years of community, comics, and creativity. And thanks for remembering.