Who is Foaly from The Time Paradox and what is their importance?

Foaly is a centaur. He is employed by the LEP as a type of technical expert. Foaly has invented or improved most of the technology used by the LEP, and he helps agents during their missions. Holly and Foaly are both friends and coworkers. When Holly learns about Artemis' problems, Foaly advises them about their options.