TV-Series
Description
Zack Temple, known in Japan as Kizamaro Saishoin, attends Echo Ridge Elementary as part of Geo Stelar's friend group. He presents himself as highly knowledgeable, frequently citing his self-created online resource, "Zackpedia," for detailed explanations. His personality blends nerdy and condescending traits, often expressed through sarcasm. He demonstrates strong loyalty to Luna Platz, acting somewhat as one of her followers. Deep insecurities about his short stature drive him to pursue methods for increasing his height, despite a paradoxical fear of heights.

Within the trio of Geo, Luna, and Bud Bison, Zack serves as the intellectual counterpart to Bud's physicality, forming a Brains and Brawn duo. He routinely corrects Bud's mistakes, establishing a Boke and Tsukkomi comedic routine. This trio, Luna, Bud, and Zack, initially displays elements of a Terrible Trio with goofy theme music, lacking actual villainous intent before maturing over time. Zack remains the only member among Geo's immediate friends never subjected to an EM Wave Change against his will or otherwise in the first two games.

His role progresses across the games. Initially an observer in the first title, he forms a Brotherband with Geo after specific post-game content involving defeating waves of Jammers near the school piano. During the second game's events, a black hole created by Solo transports him, Bud, and Sonia to Loch Mess. Motivated by a desire for personal achievement matching his friends' feats, he searches for the legendary sea monster Messie. This quest leads him to discover Gerry Romero faking Messie's existence. Romero subsequently traps Zack inside a sinking submarine to ensure his silence, requiring rescue by Mega Man. By the third game, he bonds with a Wizard named Pedia, creating the combined name "Zackpedia" referencing his website.

He appears in the anime adaptation, maintaining his established personality, group role, and a clothing design featuring a predominant green color motif. Similarly, he features in the manga adaptations, including the Shooting Star Rockman 3 manga, where his role aligns with his game portrayal.