In 1985, Richard Garriott popularized the concept of avatars with his video game Ultima IV: Quest of the Avatar, allowing gamers to have a representative complete quests on their behalf in virtual environments. Since then, the use and sophistication of avatars have greatly expanded. Today, avatars extend far beyond gaming, utilizing artificial intelligence (AI) algorithms, particularly generative AI tools that can create new content, enabling highly customizable avatars used in various online spaces such as forums, social media platforms, and virtual reality experiences. AI avatar generators are software applications leveraging AI to create realistic and interactive digital avatars, mimicking human appearance and behavior for natural engagement with users. These avatars can communicate information in various languages and accents, making them applicable for content creation. Realistic Avatar Creation, Visual Customization, Advanced Text-to-Speech (TTS), User-Friendly Interface, Integration Capabilities, Diverse Avatar Styles, Security, and Scalability are key features of AI avatar generators. Emerging Features like real-time animation, AI-driven script generation, and other cutting-edge capabilities enable these tools to create engaging high-quality digital avatars for various applications. The selection of the right AI avatar generator for video depends on identifying needs, evaluating features, reviewing pricing and plans, reading reviews and testimonials, and trial periods. Top 10 AI avatar generators specifically designed for video content include Synthesia, HeyGen, DeepBrain.io, Colossyan, Elai.io, InVideo AI, Runway, D-ID, Hour One, and Pictory, each with its unique features and pricing plans catering to diverse user needs across industries such as education, entertainment, customer support, therapy, and marketing.