Hanuman was just one of such 4 monkeys. This monkey team was instrumental in offering Rama essential information regarding Sita. They aided him create a bridge through the seas, and cross more than having a monkey army that successfully stormed the demon stronghold and freed Sita. भस्मसादभवदैत्यो दुष्टचेष्टितमन्तकृत् ॥ २३ https://garretttvusq.bloggazzo.com/36449735/about-baglamukhi