Can I get your opinion on the following with references?

• Ronald McDonald has been a staple in advertising McDonald's fast food restaurants since the 1960s. What ethical issues do you see in using Ronald McDonald or McDonald's new mascot, Happy, to market to children?
• Is it ethical to use either Ronald or Happy in McDonald's charitable efforts? What issues concern you?
• Should McDonald's and other food sellers do more to make their menus healthy?
• What changes do you think should be made to try and resolve some of these issues, and how would you go about implementing them?