In a sense, they're two separate strands of actin that intertwine together, similar to a braided rope or a twisty tie. There are two completely separate strands that twist together to form a thicker, larger strand. As stated before, microfilaments made of actin, which is the most abundant protein in a cell. According to the National Center for Biotechnology Information, actin is the most prevalent in protein-to-protein interactions.
On November 2, 2009, a Canadian version of Nickelodeon was launched, in partnership between Viacom and Corus Entertainment (owners of YTV, which for years has aired and will continue to air Nickelodeon's series); as a result, versions of Nickelodeon now exist in most of North America.
The rights to the Mighty Mouse cartoon series, originally created by Terrytoons, are owned by Nickelodeon's parent company Viacom. Mighty Mouse first appeared in 1942 and did his part to defeat the Nazis, but he probably had his most prominent effect on the American public as the headliner on a long-running Saturday morning cartoon series (1955-67).