Tol was one of a number of Ferengi hired by former DaiMon Bok in 2370 to assist him in resequencing the DNA of Jason Vigo.
With the help of others, Tol made it appear that Vigo was the son of Starfleet Captain Jean-Luc Picard. Tol and the others believed Bok's intention was to hold Vigo for ransom.
Upon learning that Bok actually intended to kill Vigo to exact revenge for the death of his own son at the Battle of Maxia in 2355, Tol and the others turned against Bok because there was no profit in it for them. He took the ex-DaiMon's weapon from him. (TNG: "Bloodlines")
Tol was played by Michelan Sisti. This character was only named in the source's end credits.