The element neon was discovered in 1898, so as of 2025, neon as an element is 127 years old.
If the question was about "Neon" the Valorant agent, she is canonically confirmed to be 19 years old.
If the question was about "Neon" the streamer, whose real name is Rangesh Mutama, he was born on August 13, 2004, making him 21 years old in 2025.
Please confirm which "Neon" the question refers to for further details if needed.