What's the matter, Leo? Never seen an android regenerate before?
— Marcus to Leo in The Vanishing

Mareo (Mar/cus and L/eo) is the pairing of Marcus Davenport and Leo Dooley. They are shown to be arch enemies.        


Season 1

Concert in a Can

  • Leo didn't trust Marcus.
  • Leo wanted to be in the band to continue to be with Marcus.
  • Marcus framed Leo for breaking his guitar.
  • Marcus told Leo he was in his way.                                                                       

Mission: Space

  • They were reading magazines.
  • Marcus said he wants to find clever ways to ruin Leo's life.

Season 2

Speed Trapped

  • Marcus trapped Leo in Mr. Davenport's self driving car.
  • Marcus tried to kill Leo.
  • Leo continues to not trust Marcus.
  • Marcus is upset when his plan to kill Leo fails.
  • Marcus reveals his bionics to Leo, when he shoots his heat vision close to him.    
  • Marcus told Leo that shot was a warning shot, but the next one won't be.    
  • Marcus threatens to expose Adam, Bree and Chase to the public if Leo tells anyone about him.    

Leo vs. Evil

  • Marcus trapped Leo in the school.
  • Marcus told told Leo to keep his mouth shut, or next time he won't miss (when he threw the trash can at him).
  • Leo followed Marcus to his house.
  • Marcus tried to kill Leo.
  • Leo wanted to prove that Marcus was bionic and trying to capture Adam, Bree and Chase.                                 

Bionic Showdown

  • Leo shot lasers at Marcus with the Exoskeleton
  • Marcus trying to kill Leo is what led to his death. 

Season 4

The Vanishing

  • Leo looked the most surprised that Marcus was resurrected.
  • Marcus was somewhat surprise when Leo said he is bionic.
  • Leo said he wanted to destroy Marcus, twice.
  • Marcus explains how he regenerates to Leo.
  • Marcus and Leo were going to finish each other off for the last time, but they were interrupted by Douglas.


Lab Rats 'Gallery'
The image gallery for Mareo may be viewed here.


(AU) Marcus&Leo So good

(AU) Marcus&Leo So good

Heart Attack~Marcus Leo

Heart Attack~Marcus Leo

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