The Adorable Pikachu Series
#1 http://www.youtube.com/watch?v=GUssjpXjBRk
Features alot of Pikachus, Pichus, Raichus, and a random Minum.
#2 http://www.youtube.com/watch?v=tXev0UvQTx4
Just plain cute
#3 http://www.youtube.com/watch?v=wfPVWLHUCM8
Loituma :3
#4 http://www.youtube.com/watch?v=7kBez-VYFKc
The most strangest of all, but my personal favorite. Features all of the Pichu family (oh and Ashchu), Shaymins (both forms), and a Riolu enjoying some chocolate
EDIT: And while you're at it, here's a nice parody on Brock
http://www.youtube.com/watch?v=2a3vDpNzTjU&feature=related
EDIT 2: God, I'm never going to stop posting on this thread...
http://www.youtube.com/watch?v=4LfaIWIBoSM&feature=related
EDIT 3: Nope
http://www.youtube.com/watch?v=hmjyXg6R4es&feature=related
http://www.youtube.com/watch?v=4OSGWtMELdc&NR=1
http://www.youtube.com/watch?v=ASEsHMdBzCk&feature=related
EDIT 4: Gosh. Just how much time do Japanese people have to make all of these? (Then again, how much time on my hands made me bored enough to watch all of theses?)
http://www.youtube.com/watch?v=zdhygTXzMo0&feature=related
http://www.youtube.com/watch?v=izFXVLWCjDM&feature=related
http://www.youtube.com/watch?v=tYez11Hk4Ik&NR=1
EDIT 5: Kirby's turn
http://www.youtube.com/watch?v=R-zYkaX-2tk&feature=related
http://www.youtube.com/watch?v=i6daX9sc0-A&feature=related
http://www.youtube.com/watch?v=Lq_AwBRaCb4&feature=related
http://www.youtube.com/watch?v=Ou4fwRnu208&feature=related