Adverb
mononymously (comparative more mononymously, superlative most mononymously)
Using a one-word name, in a mononymous manner.
Mononymously known as ED (executive director), Sanet Lentrud Steenkamp (48), also better known as Tahnee among Karasburgers realised the passion for education while at university when she gave birth to her daughter Janine. Source: Internet