I had the honor of designing and illustrating the tshirts for Shaun Diston/Sprague the Whisperer and Scott's TMNT podcast. If you haven't listened to it yet it's on his Patreon and worth
ZAO "SPLINTER SHARDS" LONG SLEEVE SHIRT
Splinter-head shirt (b/w) – Splinter
The Future Is Female Splinter Shirt - Q-Finder Trending Design T Shirt
Splinter T-shirt - BRICKTOWN x TMNT ™ – Bricktown World