Things are looking up for glitches. It seems as though the limited number of dolls you CAN get in G/S/C is only the tip of the iceberg.

Code to change dolls:
01??5FD9 

Karen Doll - 02
Bruno Doll - 03
Lance Doll - 05
Will Doll - 0A
Lass Doll - 12
Ash Doll - 14
Person Doll - 70
Tauros Doll - 99
Girl Doll - F3
Clair Doll - 79
Mr. Mime Doll - 48
Old Lady Doll - 93
Weird Thing Doll - 39
Butterfree Doll - 45
Meowth Doll - 69
Rhydon Doll - 88

Maybe there's a Koga doll too. I probably missed it.

We can only guess how something called "'dO" can be adorable.