Forming Voltron is a cheap tactic to make weak fighters stronger.

Look, you’re asking a lot from them here. It’s going to take a while to find someone exactly as you describe. You’re looking for, and I quote, ‘the nicest, kindest, most caring individual. I want them to be the biological equivalent of the sun from the Teletubbies.'

(In the voice of the old woman from Spongebob talking about chocolate)
I remember the day they first formed Voltron...I hated it!