Hazbin Hotel along with the song addict rightfully belongs to Vivziepop. The song Addict was created by SilvaHound. The song Discord is made by TheLivingTombstone and Eurobeat Brony. Be sure to check out Vivz channel, along with everyone else who was apart of the original creation of one of the two songs.
Vivziepop: https://m.youtube.com/user/SpindleHorse
LivingTombstone: https://m.youtube.com/user/TheLivingTombstone
SilvaHound: https://www.youtube.com/c/SilvaHoundOfficial
Discord Official Song: https://youtu.be/xPfMb50dsOk
Addict Official Song: https://youtu.be/ulfeM8JGq7s