The Brief: This is a meme/running joke where people make up longer versions of rapper's names.

DEEP DIVE
It’s a play on the unique, sometimes seemingly nonsensical names of musicians and celebrities. Facetious “full names” include Lilliam Pumpernickel for Lil Pump, Icelandic Cubicle for Ice Cube, and Fettuccini Whopper for Fetty Wap.
Cardi b full name is cardigan backyardigan
— art boy (@ka5sh) August 28, 2018
https://twitter.com/colettelverity/status/1034570090371526656
RT if you didn't know 50 Cent's full name is 50th Century🤕. pic.twitter.com/sUpsHwVWaJ
— 👑Minister of the 2000s 🔥 (@SlaViiT_Tso) August 28, 2018