Ever since his appearance in the premiere of Prime Videos The Lord of the Rings: The Rings of Power, Theo (Tyroe Muhafidin) has been a topic of heated debate, with many fans wondering why a character not appearing in Tolkiens lore would play such a seemingly important role in the series. Throughout his story arc, different theories about Theos future have appeared, with the credibility of many deteriorating as his character slowly evolved throughout the shows progression.

After Theo discovered the mysterious sword hilt linked to the Dark Lord (Charlie Vickers), fans speculated that he had an important connection to Sauron. Throughout his journey, fans have conjectured that this link to Sauron foretells Theo becoming a Nazgl (possibly the Witch-king of Angmar) or the Mouth of Sauron. Once Theo interacted with Isildur (Maxim Baldry), fans wondered if he could become the founder of Rohan or even the King of the Dead.