If we don’t count any pokémon my family collectively owned, my starter was a mudkip, which I had received at the age of ten from a newly instated Professor Birch. That mudkip eventually grew into a swampert, one of my closest friends, aside from my sister and the other administrators.
As for your second question, I own a modest collection.
— LH
She owns enough to fill a bed and several shelves. They’re quite literally everywhere in her house. —Bill
Yes. As I’ve said, a modest collection. —LH
The Pokédex According to Bill 