The crossword solution for the term FUN HEDGEHOG is SONIC. SONIC the Hedgehog is a popular video game character created by Sega in 1991. He is an anthropomorphic blue hedgehog who is known for his speed and ability to curl into a ball, allowing him to attack enemies and traverse obstacles. SONIC has become one of the world's most recognizable video game characters and has been featured in numerous games, cartoons, and other media.