 Between 1997 and 2001, the company switched parents and names multiple times before ending up organized under Vivendi Universal (later renamed Vivendi).In July 2008, Vivendi Games merged with Activision to create Activision Blizzard.On February 21, 1996, CUC International announced its intention to acquire Davidson & Associates (including Blizzard Entertainment) and Sierra On-Line, two American video game companies, in a stock swap.