Silly topic. Prodigy boring? Chemical Brothers boring? Underworld boring? Tell that to millions of fans of their sound. They had a HUGE impact on the scene. Like it or not.
In the other hand, people that really were originators and influential (IMHO) are:
Kraftwerk, Brian Eno, Depeche Mode, New Order, Africa Bambataa, Artur Baker, Rick Rubin, Giorgio Moroder, Leftfield, Prodigy, Chemical Brothers, Faithless (remember their unique pizzicatto sound that was bastardized by hundreds of German/Dutch producers after Salva Mea and Insomnia?), Aphex Twin, BT, FSOL and perhaps a lot more.
Also there are a lot of other kick ass names that didn't invent nothing but still kicked some butt:
Way Out West, Fluke, Moby (very inconsistent, but had a great deal in forming US house/techno scene. He is widely ignored and minimized against his Detroit partners, but i totally disagree).
And surely several djs had also a strong influence:
Franky Knuckles, Jeff Mils (and all the Detroit gang), Paul Oakenfold, Sasha, Danny Tennaglia and much more.
My 3 pennies.