Cracked Masters in jigsaws story.
Cracked Masters is and example of a Talmi Effret. he was trapped inside the eternal light on the planet Arael. he is worth mentioning as while he was not the first Efret mentioned or shown in the comic he is the first talmi effret show in the comic and the comic mentions that he was part of a special event dealing with a talmi specific communication Key or tone frequency.
Masters was referenced in a speech by Slick Giovanni suggesting that Giovanni is related to the masters blood line.
It is implied that Masters is an electric effret though it has not been stated directly.