About "Where's My Buddy? V2"

Where's: interrogative adjective Contraction of "Where is". 1 in or to what place or position?
My: possessive pronoun 2 as a form of address in affectionate, sympathetic, contextz.
Buddy: noun (often as a form of address) a close friend or companion.
V2: noun (short for "Version 2") a form or variant of a thing as performed, adapted, etc.