Chelnov (チェルノブ, cherunobu?), also known as Atomic Runner or fully titled as Atomic Runner Chelnov - Nuclear Man, the Fighter (ATOMIC RUNNER CHELNOV 戦う人間発電所, Atomic Runner Chelnov - Tatakau Ningen Hatsudensho?, lit. "Atomic Runner Chelnov - Fighting Human Power Plant"), is a Japanese side-scrolling action-arcade game developed and published by Data East in 1988.