olemus
Wiktionary:
1. a familiar, invented name for a person or thing used instead of the actual name of the person or thing, often based on some noteworthy characteristic
"The Big Apple" is a common nickname for New York City.
2. a familiar, shortened or diminutive name for a person or thing
My name is Jonathan, but I go by my nickname, Johnny.

ülevaateid
https://en.wikipedia.org/wiki/Nickname
https://www.researchgate.net/publication/305282886_EESTLASTE_HUUDNIMEDEST

näiteid
https://www.theodysseyonline.com/7-types-nicknames

https://pairedlife.com/friendship/cool_nicknames

https://en.wikipedia.org/wiki/List_of_U.S._state_and_territory_nicknames

https://europeisnotdead.com/european-countries-nicknames/

https://www.skyscanner.com.ph/news/tips/country-aliases-46-best-nation-nicknames-in-the-world

https://the-dialogue.com/en/en88-how-do-russians-call-putin-18-nicknames-of-the-russian-president/

https://en.wikipedia.org/wiki/Lists_of_nicknames

https://en.wikipedia.org/wiki/Category:Lists_of_people_by_nickname

nimehuumorit
https://www.sunnyskyz.com/blog/219/The-36-Funniest-Names-In-The-World-I-Can-t-Stop-Laughing-