Mortar - R
Battleship movie - slow
slicked back greasy hair, and tuxedo, cane for mace?
Stripped down Blitzcrank (see inside parts)
More Gadgety Caitlyn (I know she's already steampunk, but like Vi and Jayce are just way more... advanced technology wise she needs something that fits)
Queen of Blades Evelynn Rip off from Starcraft I know... but her abilities seem like they would really fit that type of model