Zikachu.
They'd get caught in the chain.
I gotta catch a plane
I mean think about it, One for Charmander One for Squirtle and one for your second charmander. (found that but it's against rules to post links lol so I'll just leave that here for a good laugh)
Zikachu
They're both green, smell like farts, and will stay that way for 47 years.