http://agathe.gr/guide/stoa_poikile.html
Stoa Poikile Across modern Hadrian Street are the most recent excavations (2003), along the north side of the square. Here have been revealed the remains of another large stoa, identified on the basis ... He was called Stoic because he taught in the stoa at Athens which at an earlier period was called Peisianakteios, but afterwards when painted with pictures received the name Poikile."