Clothing company American Apparel Inc (APP.A) has accused ousted founder Dov Charney of using ethnic slurs against workers and keeping videos on a company server of himself in sex acts with models and employees, recently filed court papers show. American Apparel’s board of directors suspended Charney as CEO a year ago, citing his misuse of company funds, violation of company policy and misuse of corporate assets, and in December the board terminated him.