- Quién
- Konstantin Arsenievich Mikhailov
- Qué
- 325 total number
- Dónde
- USSR (Moscow )
- Cuándo
- 1960
The writer with the greatest number of pseudonyms is the minor Russian humorist Konstantin Arsenievich Mikhailov (b. 1868), whose 325 pen names are listed in the Dictionary of Pseudonyms by I. F. Masanov, published in Moscow in 1960. The names, ranging from Ab. to Z, were mostly abbreviations of his real name.