He led a band of monkeys, or ape-like creatures, who gave critical aid to Rāma in the rescue of Sītā from Rāvaṇa's kingdom of Laṅkā. He is a symbol of toughness and loyalty, and is particularly patron of wrestlers. As a toddler, Hanuman was rather a prankster. According to https://www.youtube.com/watch?v=ufkmD95y7fE