Yahoo Avatar is one of the best examples of how people get a second life through virtual world. Yahoo Avatar is a picture which users can create a new identity for them while they are instant messaging their friends online. They can alter their clothes, face, hairstyle, accessories and also the background of the environment to reflect who they are and what are they like. They can use their Avatar to represent their mood while they are chatting with friends. Creating a Yahoo Avatar is very easy. To create a Yahoo Avatar the users must enter into the yahoo Avatars site to make a virtual form of their choice to represent them. Once the users have created their avatar they must be sure that they have chosen to display it when they are chatting with their friends. Their Avatar will also represent the mood they are in while they chat. When the users send a smiling emotional feel in their message, then their Avatar will smile along with them. It should be noted that this feature of Avatar is supported only in some messenger versions of Yahoo. If the user needs to alter or create an Avatar for a friend then the avatar makeover Plug-in can be used. This Avatar makeover plug-in is used to make a new Avatar for their friends or to replace their present one. They can alter their outfit, hair, face, accessories and even their gender. The users can accept their makeover or apply alterations to their Avatar or they can enhance their using the avatar make-over plug- in (Badler, Phillips and Webber, 1992). Yahoo Avatar is thus one of the best online communities that establish the concept of virtual world, thereby giving its users a second life.