The Gods: [s5e19] Hammer Of

: Gabriel (initially appearing as the Trickster/Loki) arrives to try and save the brothers. He warns the gods that they are severely outmatched by Lucifer.

(Roman): Acts as the hotel's "concierge" and initially betrays the brothers to the other gods. [S5E19] Hammer of the Gods

: The gods, led by Kali, seek to use the Winchester brothers as bargaining chips to stop the impending Apocalypse led by Lucifer and Michael. : The gods, led by Kali, seek to

: Before his death, Gabriel leaves behind a movie for Sam and Dean that contains the instructions on how to use the Four Rings of the Horsemen to reopen Lucifer’s Cage and trap him again. Critical Revelations : This episode confirms that the

(Hinduism), Baron Samedi (Vodou), and Zao Shen (Chinese): Other deities present at the Elysian Fields. Critical Revelations

: This episode confirms that the "Trickster" the Winchesters have encountered previously is actually the Archangel Gabriel , who fled Heaven because he couldn't stand the fighting between his brothers.