Ronald Rump is a billionaire playboy who likes to spend money on the latest robot models. He has owned the fighting robot Mona Lethal (whom Robotboy fell in love once in "Robot Love") and another robot who was build for both sports and hip-hop music; Cruelio (from "Robolympics"). Unlucky for this person is that both the robots he had owned got destroyed (although it is possible that Mona Lethal got repaired since she makes a cameo later).
AppearanceHe appears as a pretty short man with a pretty big nose, short black hair and wears a Castilian mustache. He seems very happy and very exciting about many different things whenever he introduces his expensive stuffs since he's very rich.
- In Season 1 and 2 his skin color appears more of a darker skin while in Season 4 on the episode "Robolympics" his skin color becomes white.
- He makes a brief cameo on the episode "A Tale Of Two Evil Geniuses" where he sits together with Mona Lethal at the Evil Genius Industry.
- His name is a pun on Donald Trump, a former businessman and currently the 45th President of the United States.
- So far he has appeared in 3 episodes.
- He is also one of the villains Lola never met either and never mentioned before.