The fairy tale character who spoke to a wolf is Little Red Riding Hood. This classic story revolves around a young girl who, while on her way to visit her sick grandmother, encounters a cunning wolf. The wolf tricks her into revealing her destination and arrives at her grandmother's house first. This tale, popularized by the Brothers Grimm, serves as a cautionary story about the dangers of talking to strangers and the importance of being cautious. "Little Red Riding Hood" has inspired numerous adaptations across various media, making it a timeless narrative known worldwide.