Printing Monster

Founded by me, Jonathan Siderman, a Senior Shopify Developer and lifelong designer, Printing Monster is where my professional expertise meets my love of pop culture. By day, I lead Shopify theme development and e-commerce builds for high-profile brands. By night (and plenty of weekends), I design, print, and cut my own line of vinyl stickers and t-shirts. The brand started as a way to share art that makes people stop, laugh, and connect. Our best-selling designs pull inspiration from cult comedy like I Think You Should Leave and cartoons like Adventure Time. Each sticker and tee is designed in-house, printed with care, and shipped quickly, with a free bonus sticker tucked into every order for fun. Before launching Printing Monster, I spent years as a Los Angeles street artist under the moniker Jonny Digital, with showings at Lab Art Gallery (the largest street art gallery in the world at the time). That path led to an early online streetwear brand called Digital Threads. Today, those same DIY roots live on in Printing Monster, just with smaller canvases and a lot more vinyl. With over sales and 1,100+ reviews, Printing Monster has built a reputation for fan-driven, handmade products backed by the same attention to detail I bring to Shopify development projects. It’s not just merch, it’s a bridge between code, design, and community.