m:A Fog (born November 27, 1979, in Turin, Italy as Massimo Altomare) is a heavy metal musician.

Although he didn't get the place in the line-up, who was picked up by Dirge Rep (ex Enslaved, Gehenna, Orcustus), m:A Fog got the chance to be known in the Norwegian Black Metal Scene.

A documentary of that night has been released to the press, with interview contributions from m:A Fog, Satyr and Frost from Satyricon, Gaahl from Wardruna and Nocturno Culto from Darkthrone.

In March, 2008, m:A Fog joined the ranks of the Italian band Janvs and in May, 2008, he recorded their album Vega.

m:A Fog recorded in 2007 the second album of the French band Glorior Belli, entitled "Manifesting the Raging Beast" and released in the same year by the Americal Label Southern Lord.

[4] m:A Fog also participated in a hard rock band called Warnipples, that features members of Highlord and White Skull.

[7] In the summer of 2016, m:A Fog re-recorded the drum tracks of Swedish band Azelisassath's "Total Desecration of existence" album, released in 2017 by the label Avantgarde Music.

It is known that in May, 2008, m:A Fog become the first Italian drummer to be signed as endorser for the American percussion factory Trick Drums.