For English-speaking users...

For English-speaking users: the name Krosh derives to Russian word кролик (rabbit) and it is also an abbreviation of the Russian word крошка which means "baby" or "crumb". He is a character of Smeshariki (Смешарики) animated television series (started in 2004). The Smeshariki name is derived from смешные (funny), and шарики (little balls) - they are stylized rounded animals.