Papa Panda is a character in Panda! Go, Panda!.
Papa Panda used to live at the local zoo with his son, Panny, but later escaped and ended up at Mimiko’s house. Upon visiting to see if his son was around, he asks if he could be introduced to Mimiko’s parents, and Mimiko explains that she doesn’t have any parents. Papa Panda offers to Ben her father afterward, and she accepts.