Hanuman was just one of those four monkeys. This monkey team was instrumental in providing Rama vital information about Sita. They helped him make a bridge throughout the seas, and cross about with a monkey Military that successfully stormed the demon stronghold and freed Sita. भस्मसादभवदैत्यो दुष्टचेष्टितमन्तकृत् ॥ २३ ॥ https://fernandodztmf.wikidirective.com/7810331/the_mantra_diaries