Blake was the CEO of Trident Industries and old friend of Nightflash, he taught Nightflash how to become more human in the Spartan Academy and gave him the first Spartan Laser, while working on his other projects including a golden Warthog.
Then, after Nightflash is bailed out of detainment, he meets up with him again, going on to help Nightflash and his squad off of Reach using Forerunner technology and a teleporter to try to get them to Arcadia.
He is finally seen after the Argonauts have made it back to Earth, he greets Nightflash and gifts him the golden Warthog, however Mightflash refuses proposing to give it to Mark instead, which he does.