Franklin has a few similarities with Squirt from Miss Spider's Sunny Patch Kids (2003) & Miss Spider's Sunny Patch Friends (2004).
-Both are green with some yellow on their bodies.
-Both once took on a heroic persona of helping others wearing a special outfit (Squirt: Captain Sunny Patch, Franklin: The Green Knight).
-Both usually wear a head accessory (Franklin: red baseball cap, Squirt: purple-and-green upside down flower hat)
-Both often play sports or occasionally watch others play them.