BBH - Baby BeeHinds
BBB - Baby BeeHinds Bamboo
BG - BumGenius
GK - GreenKids
WOHB - What's On His/Her Butt (sometimes the H is replaced with the kids' initial, if there's more than one in a family)
NN - Nurture Nappies
DD - Darlings Downunder
Itti or IB - Itti Bitti
BP - BerryPlush

I'll add more as I think of them MT, there's quite a few hey!