The idea that Orks would construct an Eldar Guardian lookalike is just another reason to love that late 80s/early 90s fun element to the Warhammer universe. Such a daft idea, and a required part of any oldhammer army.
They only made three models in this range - Eldar, Squat and Space Marine (https://wh40k.lexicanum.com/wiki/Tinboyz).