It's possible that:
* There's a typo in the name: Perhaps you meant a different name, or a variation on "Billy T. James".
* The pepeha is not publicly known: Pepeha (a Māori self-introduction) is a personal and culturally significant statement. It's not common for pepeha to be shared widely, especially without the person's consent.
* It's a fictional character: The name might be from a story or movie, and the pepeha is part of that fictional world.
To find out more, you might try:
* Checking for variations in the name: Look for different spellings or similar names.
* Looking for information about Billy T. James: He might be a public figure with a known pepeha.
* Providing more context: If you remember where you heard this name, or if you have any other details, it might help to narrow down the search.
Let me know if you have any more information, and I'll try my best to help!