Stat-wise it is comparable to the Heater shield or the Power Mitt. The most noticeable difference is that the Teddy shield offers TWO status resists while the Heater Shield and Power Mitt only have ONE status resist.
http://wiki.spiralknights.com/Heater_Shield
http://wiki.spiralknights.com/Power_Mitt
http://wiki.spiralknights.com/Teddy_Bear_Buckler
#P2W #Powercreep
The wiki page you linked states directly that the Teddy Bear Buckler has nearly the same stats as the Gorgomega, which took me about 4 days of casual play to acquire.