GIMP, an online open-source graphical editor. It's kind of like a clunky, free, open-sourced Photoshop. There's a steep learning curve, but once you work past it, it's actually pretty useful for editing photos and art.
I could do these a lot better (for example, by just rearranging the letters the comics use, or finding a font that better approximates Tatsuya's lettering -- which is, by the way, pretty good!), but that would require more effort than I'm willing to put in to this.
Try telling the Alt-Reich Anti-Science types anything that refutes their paradigms or collapses their misinformed opinions & they go full-bore Vancombe Lady on you.
If you want to get a grip on this phenomenon, & can't recommend M. Scott Peck's book People of the Lie: The Hope for Healing Human Evil enough. Nutshell: it's about people who've built their entire lives / reputation / social status around &/ upon a lie so utterly toxic that's it's destroying them, their lives & their families, but they continually double-down on the denial b/c they've invested so much in the lie that to admit they've been lying to themselves on such a fundamentally existential level would trigger not only a loss of everything they've gained lying to themselves, but a complete mental, emotional & possibly spiritual level as well. Cracking good read, & will help make a lot of bullshit make sense.