What artist paints x's for eyes of smurf and sponge bob etc?

The artist known for painting X's for the eyes of characters like Smurfs and SpongeBob SquarePants is Keith Haring. Haring was an influential American artist and social activist known for his distinctive, bold lines and vibrant colors. He often used simple, cartoon-like imagery in his work, which sometimes included X's for eyes to convey a sense of playfulness and whimsy.