Nemo

 Nemo is prominent head of the present day Nobodies. She took care of Akira and Fox's nobodies and shadows during their long sleep as well. 

While in her youth she attended high school with Akira and co., there she entered a very intimate relationship with Two Aetas that seems to have continued in to marriage. 

Though not well known she is actually the Nobody of Kami-sama's kaasan. 

*Two Aetas was Nemo's spouse but he died. However being recently revived they two's marital status is in question.