The name hachie has no documented meaning in the sources checked.
Dog
Cute
Brown, White, Black, Gold
Large
Boy
Japanese
H
6 Letters
Eight in Japanese, also associated with loyalty.
Variant of Finlay, a medieval scottish name
Diminutive of Gordon
Name of an Akita dog, written in Japanese as ハチ公
From the Old Norse Hallþórr, "Thor's rock", from hallr "rock" and the god Thor
