combat robot by AlexPascenko on DeviantArt

Untitled by SolOrionBrando on DeviantArt

Underwater Advanced by AlexPascenko on deviantART Concept art, Character art, Science fiction illustration

Untitled by SolOrionBrando on DeviantArt

Untitled by SolOrionBrando on DeviantArt

Jet Robot Guy by yaaseenlongden on DeviantArt

Untitled by SolOrionBrando on DeviantArt

AlexPascenko User Profile

Untitled by SolOrionBrando on DeviantArt

Untitled by SolOrionBrando on DeviantArt

Untitled by SolOrionBrando on DeviantArt

humanoid drone (quick concept) by rubendevela on DeviantArt