- To many observers, Nasir al-Wuhayshi's death is the most significant blow to al Qaeda since the killing of militant Anwar al-Awlaki
- Al-Wuhayshi rejected ISIS, swore an oath to al Qaeda leader Ayman al-Zawahiri and was appointed al Qaeda's second in command
- His successor is military commander Qasim al-Raymi, who's considered al Qaeda's operational brains
(CNN)Nasir al-Wuhayshi didn't fit the stereotype of a terrorist leader: He was slight, quiet and had an impish sense of humor, according to one of the few Westerners to have met him. But he also had an understated charisma and inspired awe and deep loyalty among al Qaeda fighters in Yemen.