Fyodor Andreyevich Sergeyev, better known as Comrade Artyom, was a Russian Bolshevik revolutionary, Soviet politician, agitator, and journalist. He was a close friend of Sergei Kirov and Joseph Stalin. Sergeyev was an ideologist of the Donetsk–Krivoy Rog Soviet Republic.

Vladimir Alexandrovich Antonov-Ovseenko, real surname Ovseenko, party aliases 'Bayonet' (Штык) and 'Nikita' (Никита), literary pseudonym A. Galsky, was a prominent Bolshevik leader, Soviet statesman, military commander, and diplomat.