SD99/Relationships

Ginjah
SD99 and Ginjah are friends.

AG344
SD99 and AG344 are good friends to say. In Dreamja Vu, speedy is seen having a normal conversation with AG344 until he falls into a lavapit.

Death
SD99 and Death are enemies to say nonetheless. Death gives Speedy a curse which kills him multiple times, because Speedy bought the last peanut donut.