"Hell's Greatest Dad" is an electro swing song from the American adult animated musical comedy television series Hazbin Hotel. It is sung primarily by the characters Lucifer Morningstar (voiced by Jeremy Jordan) and Alastor (voiced by Amir Talai), with additional parts by Charlie Morningstar (voiced by Erika Henningsen), Niffty (voiced by Kimiko Glenn) and Mimzy (voiced by Sarah Stiles). The song is featured in "Dad Beat Dad", the fifth episode of the show's first season. On January 26, 2024, the song and lyrics were published to YouTube and Spotify by Amazon Prime Video, and have since accumulated 77 and 110 million views and streams on both platforms, respectively. The song's release on YouTube has also become Amazon Prime Video's most-viewed video on their channel, surpassing the trailer for ' by over 20 million views.