APO Hiking Society and hero, Apolinario Mabini, and later shortened to "Apo", an Ilocano term for a wise man or a Tagalog term of grandchildren, and later re-branded to "APO" (all caps). Contrary to popular belief, the "Apo" name was not a reference to the Philippines's highest peak, the potentially-active stratovolcano Mount Apo. As the students advanced into college, Danny Javier joined the group. After graduation, the majority of its members left to pursue individual careers, with only three members remaining, made up of Jim Paredes, Boboy Garovillo and Danny Javier. In the span of their professional career, Apo emerged as a principal
Mindanao A second north–south mountain range extends from Talisayan in the north, to Tinaca Point in the southernmost point of Mindanao. This mountain range runs along the western borders of the Agusan del Norte, Agusan del Sur, and Davao provinces. This range is mainly structural in origin, but it also contains at least three active volcano peaks. The central and northern portions of this range contain several peaks between , and here the belt of mountains is about across. West of Davao City stand two inactive volcanoes: Mount Talomo at , and Mount Apo at . Mount Apo is the highest