Sgt. Stubby: An American Hero is an animated historical war film centered on a dog and its owner. The narrative does not include any discernible LGBTQ+ characters, relationships, or themes, resulting in a classification of N/A for LGBTQ+ portrayal.

Sgt. Stubby: An American Hero is an animated historical war film centered on a dog's experiences in WWI. It does not feature any transsexual characters or themes, resulting in an N/A rating for portrayal.

This animated film focuses on the experiences of a dog and male soldiers during World War I. There are no significant female characters depicted in direct physical combat roles, nor are there any scenes where a female character defeats male opponents in close-quarters fighting.

The film is based on the true story of Sgt. Stubby and J. Robert Conroy. All historical figures and original characters are portrayed with their established or intended genders, with no instances of a character's gender being changed from prior canon or historical record.

The animated film depicts historical figures and fictional characters consistent with their established or historically implied races. No character originally established as one race is portrayed as a different race.