who made glados

[Junior]

I did it. I'm sorry that my experiment failed to obey and neglected to give you guys your well deserved cake. Please forgive me. Actually Tails made GLaDOS

[Ad Bot]

[Explosivo]

what do you mean junior

[Bisjac]

theres a commentary thingy at the red phone at the end. that explains what they wanted to use it for, some back story to glaDOS going nuts on the scientists.

[WhoDa?]

You don't even care.
Do you?