He led a band of monkeys, or ape-like creatures, who gave essential support to Rāma within the rescue of Sītā from Rāvaṇa's kingdom of Laṅkā. He's a symbol of toughness and loyalty, which is patron of wrestlers. Hanuman is claimed to happen to be mischievous in his childhood, sometimes https://www.youtube.com/watch?v=ufkmD95y7fE