What could make SpongeBob look so scared in our fanart SpongeBob Frightened Sticker? Known for his cheerful and optimistic personality, he does have a few fears. The talkative yellow sponge is afraid of the dark, ghosts, and the Krabby Patty secret formula being stolen. We are sure he will overcome his fear with the help of his friends and determination, especially one like you. He needs your help!