| Romario was named after the famous Brazilian footballer Romário by his mother. |
| He received his first mobile phone from his elder brother at the age of 15. |
| In his debut match for his school team, he scored 129 runs before joining the local club, Tucber Park Club. |
| He considers Dwayne Bravo as a significant influence on his cricketing career. |
| Romario made his List A debut for Guyana in January 2016, taking 3 wickets for 37 runs in his first match. |
| His first-class debut occurred on 10 March 2017 during the 2016–17 Regional Four-Day Competition. |
| He made his T20 debut on 5 September 2018 in the Caribbean Premier League for Guyana Amazon Warriors. |
| Before marrying Tia in 2022, Romario and she dated for 9 years. |
| He was purchased by the Sunrisers Hyderabad during the IPL auction in 2022 for Rs 50 lakh. |
| Romario set a record with Akeal Hosein for the second-highest partnership for the ninth wicket in T20 international cricket, totaling 72 runs against England. |
| He was traded to the Mumbai Indians in the IPL 2024 trading window. |
| In IPL 2024, he scored 32 runs in a single over against Anrich Nortje, marking it as the sixth most expensive over in IPL history. |
