The document discusses various ways that celebrities are used to promote and endorse brands through product placements, co-owning brands, portraying fictional characters, representing causes, spoofing other celebrities, serving as mascots, lending their names to brands, and being high-profile company owners. Specific examples mentioned include Transformers using many brand placements, Salman Khan co-owning and endorsing Mayur Suitings, Batman representing a top-selling fictional celebrity, Che Guevara remaining a symbol after his death, Aamir Khan promoting tourism in India, Orbit gum spoofing Bollywood stars, Big Boy serving as a mascot for restaurants, Sachin Tendulkar lending his name to a toothpaste, and N