Dragon ball z in agreement with Wikipedia. Dragon ball, doragon bru, usually abbreviated as a japanese animated series, produces an animation.
Cell in line with Wikia. Cell, the ultimate creation came from the timeline, the greatest conceived abilities have ever visited the earth "perfect warrior", many special features of favorable traits.
Gotenks according to Wikia. Gotenks, extremely powerful trunks previously known, obtained through the merger of the first series of successful dragon balls.