Yeerk

Yeerks are aliens in the Animorphs continuity.

Have you seen me?

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Yeerks are small alien slugs with the ability to envelope the brain of beings to control them. Among their kind is Visser Three, who controls an Andalite. The Taxxons serve the Yeerk.

Toys

Animorphs

• Ax/Panther (Deluxe, 1999)
• Cassie/Wolf (Deluxe, 1999)
• Jake/Bear (Deluxe, 1999)
• Jake/Tiger (Deluxe, 1999)
• Jake Stingray/Manta (Deluxe, 1999)
• Marco/Beetle (Deluxe, 1999)
• Marco/Gorilla (Deluxe, 1999)
• Rachel/Lion (Deluxe, 1999)
• Taxxon/Alien (Deluxe, 1999)
• Tobias/Hawk (Deluxe, 1999)

A Yeerk toy was available with any Deluxe in the Animorphs line. It came in several color variations, including red, purple, and yellow.

• Visser Three/Inferno Creature (Mega, 1999)

Visser Three's first toy transforms from an Andalite (sort of an alien centaur-thing) into an "Inferno Creature" (a somewhat humanoid alien monster). The Inferno Creature's left hand, which becomes the Andalite's left hind leg, fires a missile. He has no transitional third mode.

• Visser Three (Ultra, 1999)

Visser Three's second toy keeps the two modes of his original toy (more or less) and adds a third mode, a Hork-Bajir (sort of an alien quadripedal-dinosaur-thing), which fires a missile from each hand.