Elio has a few to his name due to his successes in various fields, but his most notable one is the "Jet-Black Unovan Sun" - alluding to various aspects of his character, such as:

⚫His currently bright, warm-hearted, and supportive personality flawlessly embodying his namesake.

⚫Being one of Unova's most profound geniuses - with many stating he far surpasses his peers due to his plethora of talents and accomplishments in lieu of his age.

⚫His potent case of Mávrophilia - which would later become the foundation for his admiration for Pokemon like Zekrom and Zygarde, both of which he'd eventually own, and his strict adherence to his [Nigredo-Exclusive Party] policy (i.e. explicitly owning and utilizing any Pokemon affected by the Nigredo Phenomenon) - which not only deepened his association with his color, but became a primary factor in his team's fame and led to Nigredo Pokemon, which are noted to be found solely in Unova, being viewed in an incredibly positive light - no longer feared and scorned for their abnormalities, with their situations rapidly improving as a result.