Here is the page of admins and rollbacks on this wiki.
Ninjinian was the founder of the wiki. He founded the wiki in 2009. He is no longer active.
StephOfTheEast lodged an adoption request for a spammed, understaffed Pingu wiki in October 2012 and quickly set about cleaning the place up with her friend Danny. Steph will continue her work on the Pingu wiki, but she has retired from admin status.
(Previously OddThomasguy) He is more active on the Thomas the Tank Engine and My Little Pony: Frienship is Magic Wikis. He goes by his name, Danny.
Another good friend of OddThomasguy, Jack is a cross-wiki helper on many wikis including this one as he helps with the design. He is also an admin on the Plants vs. Zombies Wiki.
Jenkins92 is one of the most active admins on the wiki. He contributes to many different wikis daily and is keen to make sure that they all stay suitable for their primary target markets. He is also the admin of Postman Pat Wikia.
The Logo Cooler is one of the newest admins on the wiki, whose ideas to make the site look more professional, proved to be very satisfactory.
Zapwire was an early admin of the wiki. He is no longer active.
Tangeled Web Weaver was an early admin of the wiki. He is no longer active.
Sape was an early admin of the wiki. He is no longer active.