So apparently there is a Broadway musical of Spongebob Squarepants, and @broadwaybricks made these custom minifigures of the actors. Very accurate! : r/lego
Robot SpongeBob with Sticker - Lego SpongeBob Minifigures BOB009S
LEGO® SpongeBob Squarepants – Atlanta Brick Co
LEGO SPONGEBOB SQUAREPANTS MINIFIGURE HAWAIIAN LEI FIGURE | eBay
LEGO Spongebob Sandy Cheeks Minifigure NEW only handled for sorting. - Walmart.com
Amazon.com: Patrick (Tongue) Minifigure Spongebob Squarepants Lego Building Accessories - 1.75 Inches Tall : Toys & Games