Grimm co-creators David Greenwalt and Jim Kouf have signed a new overall deal with Universal TV. Under the pact, the writing partners will continue as executive producers on the NBC drama, produced by Universal TV and Sean Hayes and Todd Milliner’s Hazy Mills. Grimm, which Greenwalt and Kouf co-created with Stephen Carpenter, was recently picked up for a third season with an early renewal. Grimm, inspired by the classic Grimm Brothers’ Fairy Tales, has been an unsung hero at NBC. It is the only series from the 2011-12 season, the first overseen by NBC’s current regime, to make it to season 3.