Overworked Pug

Overworked Pug doesn't untap during your untap step.
{u}{u}{u}, {t}: Target creature loses all abilities, flavor text, artists, subtypes and watermarks, has base power and toughness 0/1, is named Good Dog, and is a Dog.
Tap another untapped Dog you control: Untap Overworked Pug.
Now will you tell me who the good boy is?