Metchnikov was a name that stands out in the world of microbiology. A scientist who made lasting contributions to our understanding of the immune system, he is perhaps best known for his theory of phagocytosis and his work on probiotics. However, when it comes to synonyms for the name "Metchnikov," there aren't many options. He is sometimes referred to as Elie Metchnikoff or Ilya Ilyich Mechnikov, but these are simply variants of his name. Beyond that, there really is no substitute for this unique individual, whose legacy continues to influence the field of immunology today.