sentences:  Nikola Kotkov
  
  Nikola Todorov Kotkov () (9 December 1938 – 30 June 1971), nicknamed Koteto (Котето, "The Kitten") was a Bulgarian footballer who played as a striker.Born in the capital Sofia, Kotkov started his football career as a Lokomotiv Sofia trainee and went on to spend much of it (1956–1969) with the club, winning the Bulgarian Championship in 1964.