Nintendo:
NES
SNES slim
N64
GB
GBC
Gamecube
GBA
GBA SP (Special Edition Silver w/Tribal)
DSi
DSi XL
Wii x2
3DS
3DS XL
N3DS XL
Wii U
Sega:
GG
PlayStation:
PS1
PS2 x2 (both fat)
PS3 (Slim)
PSP (Fat)
PS4
Microsoft:
Xbox (don't play it)
24
Did have a Sega Genesis, Original SNES, Fat PS3, and another Slim PS3 all stolen at different points in time.