AIM-listed angel investment firm Braveheart has closed a £1m fundraising for children's TV production company Olly Limited, through its wholly-owned subsidiary Envestors."The amount is part of a £3 million total raised since March 2010 by the private company that produces Olly the Little White Van, a highly creative animated children's TV series," the statement said.Braveheart said that since its June debut on CiTV and ITV1, Olly the Little White Van has continued to grow its rating and saw a 233% surge in viewers by 7 August. The funds will be used for making and marketing a new series."Olly impressed us as a business model entirely different from its industry peers - one that creates a holistic brand with 21st century tools, and is serviced by highly talented people," said Scott Haughton, the director of Envestors. Shares in Braveheart were flat at 22p on Wednesday.BC