Leo is the only normal kid in the Davenport Family until Douglas gave him bionics in You Posted What?!? Pt. 2. He disapproves of his mom's marriage to Donald Davenport. However, when he met Adam, Bree and Chase, he starts to like his Mazi step dad. He gets attached to them soon and treated them as his own siblings. On many occasions he has or tried to save the Rat's lives. Despite his size and status he is very brave when he needs to be. At school, Leo is considered the kid in the "bottom food chain" considering he gets wedgies on a daily basis from the football team. In short terms, he is not popular in school. With the help of his siblings, he starts to climb up the food chain and starts to get noticed in school. His nickname in school was rumpleforeskin.
Laser Sphere Projection: In You Posted What?!?, according to Douglas, Leo can generate laser energy and form them Into laser spheres from his fingers. This is also Leo's main bionic ability as being the one he uses the most. It is also strong enough to knock out Krane and they can set things on fire.
Super Strength: Though Not as strong as Adam, Leo is shown to have superhuman strength with his right arm, allowing him to be strong enough to crush Perry's hand and making it become broken and swollen. And in Armed and Dangerous, Leo uses his bionic strength to lift up the couch.
Energy Transference: This is one of Leo hidden abilities until Rise of the Secret Soldiers. Douglas unlocks this ability for him to fight the bionic army. This ability can absorb any type of energy source and it can be used medically. Leo defeated S-1 for the first time with this ability.◾
Super Kick: Showed in "Space Elevator" Leo had his leg crushed so he Now has a bionic leg. He can kick really hard and send a ball going flying.