Hilo: Saving the Whole Wide World (Hilo Book 2)

"Hilo is just settling into life on Earth when strange portals begin opening up all over town. And Holy Mackerel! Even stranger creatures are coming through them! But it will take more than a giant mutant chicken, a viking hippo, a magical warrior cat, and a few million killer vegetables to stop Team Hilo.... er, won't it? Can Hilo, D.J. and Gina figure hout how to send these creatures back to their worlds before they destroy the Earth?"--Provided by publisher.