Fuller House S01E13 Screenshot 006
General Information
Gender: Male
Family & Friends
Family: Minnie (great-great-grandmother)
Comet (great-grandfather)
Comet Jr. (grandparent)
Comet Jr. Jr. (mother)
Comet Jr. Jr. Jr. (sibling)
Friends: Max Fuller
The Fuller Family
Production Information
First appearance: Our Very First Show, Again


Cosmo (full name Cosmo T.D. "The Dog" Fuller) is a recurring character in Fuller House. He is the pet Golden Retriever of the Fuller family, though his owner is technically Max Fuller. Cosmo is the son of Comet Jr. Jr. and the great-grandson of Comet, the Tanner family's former pet. 

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