Nickelodeon & Viacom Consumer Products is a part of Nickelodeon Enterprises, the ancillary business unit of Nickelodeon Networks. It is responsible for licensing Nickelodeon brands and characters as well as the properties of Paramount Pictures, Comedy Central, Spike TV and MTV (International), as well as some non-Viacom properties. Nickelodeon Enterprises is active in all ancillary markets, including merchandise licensing, home video, interactive software, electronic media, online, wireless, book and magazine publishing, music, live tour and stage shows, theme parks and themed hotel venues. Nickelodeon Enterprises manages the largest TV-based licensing business in the world with $4 billion in retail sales. Nickelodeon, Comedy Central, Paramount Pictures and Spike TV are trademarks of Viacom International Inc.