The Emperor Was happy with Tulsidas and introduced the Hanuman temple using an Islamic crescent Moon finial which adorns the temple spire. It is also claimed that due to crescent moon symbol over the spire, the temple wasn't wrecked through the Muslim rulers who invaded India at many periods. In https://hanumanmandiradelaide.com.au/108-names-of-lord-hanuman-and-their-meanings/