Growlithe is a Pikachu exclusive, unfortunately.
Sandshrew, Oddish, Mankey, Growlithe, Grimer, and Scyther are Pikachu exclusives, then the pokemon that need trade evolutions (Machoke, Kadabara, Haunter, Graveler), and I'd like to borrow a Mewtwo for a second to get a complete 'dex and get a...