Anemoi four Anemoi and several minor wind gods are involved in the defense of Mount Olympus against Kronos (the Titan Cronus), the first series's chief antagonist. Both the Greek and the Roman forms of the Anemoi appear in Riordan's second series. Boreas is a central character in "The Lost Hero", and his children Khione, Calais, and Zetes continue to have important roles throughout the series. He resides in Montreal, and is described as "sturdily built...with dark purple wings" when in his Greek form, and as "taller and thinner" when Roman. "Notus/Auster appears in "The House of Hades" as a counselor of
Greek mythology in popular culture with feathers to Greek mythology. The MGR Samadhi Memorial in Chennai, India, was redecorated in 2012 to include a pegasus, which symbolized "valour and energy". Hydra the Revenge is a Bolliger & Mabillard designed floorless roller coaster at Dorney Park & Wildwater Kingdom in Allentown, Pennsylvania with a Lernaean Hydra theme. The name of the ride pays tribute to the "Hercules" wooden roller coaster that once stood on the same spot. The theme itself is the Hydra coming back to life and seeking revenge over Hercules. During the Middle Ages, writers disdained the use of "pagan" influences such as Greek