If you're creating a fanpage for a public figure or a celebrity, they most likely have an Instagram page of their own.
When you are on social media like Instagram, you want to by engagement and followers.
For example, you can use the swipe up feature for your stories.
This is the tag which people will see when they search for your page, so you'll want to make sure that your name is catchy, easy to remember, and relevant to your fanpage's focus.
For example, social media is to show your products or services.
You can cross-promote your OnlyFans link on your socials media profiles in the bio sections and within your content.
As you might know, Instagram allows you to have one and only one link in your bio.
There are bound to be a few fanpages similar to yours in focus; while you shouldn't copy other fanpages, you can look at them for inspiration.