Zweilberg's Lab

Professor Zweilberg is a Pokémon Professor who lives and works at his research lab down on Route 539. According to Professor Siegfried, Zweilberg views the development of Pokémon and human relationships as a profession.

In the Games
In Beta 3.3

Professor Zweilberg works in his laboratory with his two assistants, Hans and Siegfried. He gives the player his/hers choice of a Unova Starter if the player succeeds in outwitting him by answering all questions correctly. He is viewed as both an idol and celebrity to many others, and has his own private fanclub. He is easily the wisest and oldest of all NPC players.

His lab is stashed full of books, ranging from arceology, the subject of the study of immunity and defectiveness between  Pokémon types, and physical  Pokémon knowledge. Chunks of paper are poking out of the books, allowing players to read bits and pieces.