Board Thread:General Discussion/@comment-25230331-20150926032531/@comment-27171093-20160712203919

Hideki Kamiya admitted that he got "Joseph Frost's" first name from "Joseph Joestar"

http://residentevil.wikia.com/wiki/Joseph_Frost#Further_Notes

https://twitter.com/PG_kamiya/status/111019261526413312