Doctor Gero Android 20
As you can see this guy is a complete douchebag

 

Name: Doctor Gero/Android 20
Origin: Dragon Ball
Gender: Male
Classification: Cyborg scientist (former human)
Age: Unknown
Powers and Abilities: Super strength, speed, durability, endurance, agility, skilled in martial arts, flight, the ability to manipulate and use energy effectively (not ki) both defensively (can use energy to enhance his natural durability and harden his skin, can also use it to generate energy barriers) and offensively (can shoot energy blasts capable of crossing thousands of kilometers and blowing up planets), ki absorption
Weaknesses: Due to being an artificial human, his energy is set at a fixed level
Destructive Capacity: Small star level+ (inferior to Freeza, much stronger than Oozaru Vegeta)
Range: Millions of kilometers
Speed: At least relativistic+, likely much higher (far faster than pre-training Saiyan Saga Piccolo whose beam reached the Moon in a few seconds)
Durability: Small star level+ via powerscaling
Lifting Strength: Class M+
Striking Strength: Class XKJ+
Stamina: Limitless as long as he can continually absorb energy
Standard Equipment: Nothing notable
Intelligence: A brilliant scientist who worked for the Red Ribbon Army, and the creator of the Androids. Is able to learn all of the Z fighters combat techniques, and otherwise average or decent in tactical abilities as a fighter
Notable Attacks/Techniques:

- Energy Absorption: As an Android, Dr. Gero has special pads on his palms that allows him to absorb life-energy from his victims by grabbing them.

- Eye Beams: A powerful beam shot from both his eyes, which is strong enough to devastate an entire city.

- Photon Wave: From the energy-absorbing pads, he releases a massive wave of explosive energy that can level an entire valley.

Notable OBD Victories:

Notable OBD Losses:

- Freeza (Dragon Ball) - Freeza Profile

Other: