Ad abolendam was created in 1184.
It is not a person, but rather a particular type of letters patent or charter issued by a pope (in this case Pope Innocent III). The Papal Bull Ad Abolendam basically was letter declaring war on heretics.
"Ad abolendam" was a papal bull issued by Pope Lucius III in 1184. Its purpose was the condemn heresy, but it was possible to use it against scientists whose work was deemed heretical.
The Ad Libs was created in 1964.
.ad was created in 1996.
Ad Noiseam was created in 2001.
AD Arganda was created in 1964.
AD Torreforta was created in 1983.
AD Aerospace was created in 1995.
Kremikovtzi AD was created in 1963.
Adei Ad was created in 1998.
AD Vagos was created in 1994.
Arsenal AD was created in 1878.