Don Tonberry (Final Fantasy X)

Don Tonberry is an optional monster from Final Fantasy X. He is bred in the Area Conquest section of the Monster Arena after at least one of each fiend in the Cavern of the Stolen Fayth is captured.

Don's attacks are identical to those of the regular Tonberry and Master Tonberry, although they do much greater damage. He counters every attack with a strong Karma, and on each turn takes a step forward. After taking 5 steps he will randomly attack a party member with Chef's Knife which can be an instant kill. If an Aeon is summoned, Don Tonberry will perform Voodoo where he generates a tiny image of the aeon and stabs it for instant death. This move is actually quite cute to watch given the appearance of the Tonberry.

AP Trick
To recieve high levels of AP for a party member, customise a weapon with Triple Overdrive and Overdrive > AP abilities and place the characters Overdrive in Comrade mode. While fighting Don Tonberry, keep skipping the characters turn while the others attack. When Don counters with Karma, the damage will fuel the overdrive which in turn is converted into AP. The AP is received even if you escape the battle. It is possible to go from 0 to 99 AP using this method.