Bitzi's father (husband)
Bitzi's grandfather (father-in-law)
Bo Baxter (son-in-law)
Buster Baxter (grandson)
|Cartoon debut||"Buster Makes the Grade"|
Buster's grandmother is the maternal grandmother of Buster Baxter.
She looks very much like Bitzi, but wearing square glasses as opposed to the more stylish ones Bitzi wears, and is older than her. Sometimes she is seen in the background with one of D.W.'s preschool classmates.