R34U is a robot created by Rufellen the squirrel.
Formerly a Lucario by the name of Raku, he was tricked by Rufellen and transformed into a robot. After extensive modification, the robot now serves his new master's ever command.
Pic by https://www.weasyl.com/~forest
Rufellen owned by https://www.weasyl.com/~rufellen
Link
Irbis
Robots are neat.