XDELTAxHALOX is the main channel for Hazardous Entertainment, which consists of "Just Logan", "Just Heretic", and "Kafungalung".
They are well known by their popular series Robot Chicken: Halo Edition.
It's reported that they have also made an unfinished mini-series called Marksmen.
They have said on their website that a comedy series is in production entitled Wheelmen as well as an action-packed movie, Predator.
You can talk to them personally at their websites/forums.
Episodes for Robot Chicken: Halo Edition are generally released between long hiatuses, with Just Logan commenting:
We try to get some of it done when we can,
but we're all pretty busy with school and work. - Just Logan
We plan to keep he Robot Chicken; Halo Edition Series going for as long as we can.
We also want to get into some serious/action machinima as well. - Just Logan