male
Francis Robinson is Father and Mother Robinson's youngest son, Fritz and Ernst's younger brother, and one of Roberta's possible future brother-in-laws in Swiss Family Robinson.
Frances Robinson (Swiss Family Robinson)
Mules
for Mules in Sorting Fictional Characters by Which Pet They'd Have
Suggested by matthewchadd
So, you love animals? A lot of fictional characters have lots of pets, maybe you could help them.