The Onion: America's Finest News Source. RAYGUN & The Onion have collaborated on never-before-made Onion product for a limited time. A Portion of All RAYGUN Sales Raise Money For . White Screen Print on a Heather Kelly Green T-shirt (50% Combed Ringspun Cotton / 50% Polyester). Cut and sewn . Designed and printed by  at RAYGUN.