Pokemon red/blue/firered and leafgreen Easter Eggs

Bill being mixed with a Pokémon during a teleportation experiment seems to be a direct reference to the movie The Fly, in which a scientist experimenting with teleportation pods ends up combined with a fly.

Go in your house in Pallet town.then go watch the tv. It says that there is a strange little boy with a monkey tail...Goku!

Go to Celadon Mansion In the second floor in a room with a lot of computers the people in their will say they have a job in Gamefreak the creators of Pokemon FireRed 1 said he drew you!