Worst: Lugia because you can't even see him behind you when you walk in soul silver I guess he's too big? but what about wailord?
Best: gengar because hes pretty small and when he runs behind you it looks like he'll jump you any second with that mean glare he has
Best: gengar because hes pretty small and when he runs behind you it looks like he'll jump you any second with that mean glare he has