Greek underworld his duty was to bring these souls to the underworld and no one would persuade him to do otherwise. Cerberus (Kerberos), or the "Hell-Hound", is Hades' massive multi-headed (usually three-headed) dog with some descriptions stating that it also has a snake-headed tail and snake heads on its back and as its mane. Born from Echidna and Typhon, Cerberus guards the gate that serves as the entrance of the underworld. Cerberus' duty is to prevent dead people from leaving the underworld. Heracles once borrowed Cerberus as the final part of the Labours of Heracles. Orpheus once soothed it to sleep with
What the Hell at number 11 on "Billboard" Hot 100. The song debuted at number eight on the Canadian Hot 100. "What the Hell" also debuted at number four of Canada's Digital Songs chart, with 16,000 downloads. The single becoming Lavigne's third best debut to date, following "Girlfriend" and "Keep Holding On". The song cracked the top-forty on Radio Songs, reaching number twenty-seven; her last single to chart on the Radio charts was "When You're Gone" (2007) at number thirty-seven. "What the Hell" surpassed this Radio Songs peak when it climbed to number thirty-four, being her most played song since "Girlfriend" (2007). As