I'm very fickle and forgetful when it comes to my favorite artists, but Frums is one of the greatest electronic producers alive, bar none. I don't think there's anyone in his niche even remotely at his level. There's artists who from time to time I will like more, but I tend to get sick of them with time. Frums, however, is consistently one of the greatest of our generation. If you're an albumfag (it's alright, I am, too, from time to time), Vignette is a solid starting point; it does a good job of initiating you into his sheer range.
For all my transsexuals, he is also behind the three greatest pieces of Undertale remix music ever produced: