Simon continued to be a prolific acquirer of shopping centers, including a portfolio from New England Development in 1999; several prime properties from Rodamco North America in 2002 (including Houston Galleria in Houston, Texas and SouthPark Mall in Charlotte, North Carolina); several high-profile properties such as Dadeland Mall, Fashion Valley Mall, Copley Place, Fashion Centre at Pentagon City, and Stanford Shopping Center; and in 2004, Chelsea Premium Outlets (now simply named "Premium Outlets"). In 2003, Simon became a co-owner of The Kravco Company, which became Kravco Simon. The same year, a children's membership program called Simon Kidgits Club was launched. The club featured fictional characters such as Jake and Harriet. These characters were developed by Simon Brand Ventures, a branding subsidiary of the company. On April 3, 2007, a partnership including Simon agreed to acquire the Mills Corporation.