Alvin and the Chipmunks is the story of three brothers chipmunk (ground squirrel) is a singer who always sang with gusto. Alvin most oldest became leader of her sisters were naughty, likes to make mischief but it is fast becoming the most well-known than her siblings. Simon is a genius and glasses. Theodore latter is the most plump and good-natured but easily influenced. Third chipmunk name taken from the name of record company executives Liberty namely Alvin Bennett, the leader of the company, Simon Waronker, the founder and owner, Theodore Keep, chief engineer.