Virtual avatars are digital representations of users in online environments, such as video games, social media, and virtual reality. They can be customized to reflect a user's appearance, personality, or preferences, allowing for a unique online identity. Avatars can take various forms, from realistic human figures to fantastical creatures, depending on the platform and user choice. These avatars interact with other users and the virtual world, enabling communication and socialization. They can perform actions, express emotions, and even participate in activities like gaming or virtual meetings. Virtual avatars are increasingly popular in platforms like Second Life and VRChat, enhancing user engagement and experience.