Skanda at Kumarakottam is in the form of brahma-shAstrR^i/brahma-shAstA [the chastizer/punisher of brahmA], for being unable to explain praNava properly, and took his post here. A higher resolution image of the mUla mUrti is posted below. Apart from His usual attributes He bears a kamaNDalu and mAlA as well.
kraunchAraye namaH|gA~NgeyAya namaH|vachadbhUve namaH|
padmavajra 