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The following information contains spoilers related to Ben 10: Ultimate Hero.
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|Species|| Osmosian (formerly)|
1/2 Osmosian 1/2 Prypiatosian
|Home World||Osmos V|
|Affiliations|| Plumbers (formerly)|
|Occupation(s)||Second-in-command of the Rooters|
|Equipment|| Rooter Uniform|
|Voice Actor||Steve Blum|
|First Appearance||Poisoned Well|
Leander is a villain in Ben 10: Ultimate Hero. He is an Osmosian from Osmos V. He is a former Plumber and is second-in-command of the Rooters.
Leander wears a Rooter Uniform and a black helmet resembling a Prypiatosian-B head.
Powers and Abilities
Leander has advanced skills in technology, as he was the one who was responsible for the creation of the Toxin Vessel.
Being a Prypiatosian hybrid, Leander can shoot powerful radioactive blasts from his grillplate.
Leander was with Servantis and Swift when they were exiled from Osmos V. They eventually became Plumbers, until Servantis began to question the strength of the Plumbers, believing that they were becoming soft. After the death of Devin Levin, Leander joined Servantis in separating from the Plumbers and creating their own faction.
Leander first appeared in the episode Poisoned Well. He was responsible for the creation of a normal Plumber craft that was transformed into an advanced spaceship, able to release a deadly toxin that would poison an entire planet. The Rooters planned to use the toxin on Earth, in the hopes of putting the Plumbers in disarray long enough for them to focus on their real target.
Ultimately, the plan was foiled by the efforts of Ben Tennyson, Manny, and Helen. While Leander expressed his failure was a foolish mistake, Servantis exclaimed that it was merely a setback, and vowed that Max Tennyson will understand why the Rooters did what they did.