Penumbra voiced by Julie Bowen has appearances in the following DuckTales (2017) episodes:

• What Ever Happened to Della Duck?! (S2 Ep 7)
• The Golden Spear! (S2 Ep 11)
• What Ever Happened to Donald Duck?! (S2 Ep 17)
• The Richest Duck in the World! (S3 Ep 23) (voice)
• Moonvasion! Part II (S2 Ep 25)
• They Put a Moonlander on the Earth! (S3 Ep 9)

Fun Fact: The word penumbra’s definition is the shadow cast by the earth or moon over an area experiencing a partial eclipse.