Imaginary friends, also known as "imaginary companions", are pretend characters often created bởi children. Imaginary Những người bạn often function as tutelaries (or perform a tutelary function) when they are engaged bởi the child in play activity. Imaginary Những người bạn may exist for the child into adolescence and sometimes adulthood. Imaginary Những người bạn often have elaborate personalities and behaviors. Although they may seem very real to their creators, studies have shown that children understand that their imaginary Những người bạn are not real.