To answer this correctly I can t say 100 but in a Shonen Jump interview from when the manga first debuted over in th US the very same question is asked and Tite Kubo responds with Bleach being the title of a song By Nirvana perhaps though I m not entirely sure my memories gone a bit fuzzy on the topic i Offer this tidbit not as an absolute but as an answer to give piece of mind to Kreachure who really shouldn t worry for this is why Vandal Buster ONyx is ON the case