Mr. Lemon, Combustible Lemon, pony version of Cave Johnson ( half-life.wikia.com/wiki/Cave_… ), My Little Homeburner - a few examples of names that can be given to him. Why I made him a pegasus pony? Because he's an angel of death. With the lemons.
"Alright, i've been thinking. When life gives you lemons. Don't make lemonade. Make life. Take the lemons BACK! GET MAD! I DON'T WANT YOUR DAMN LEMONS!! WHAT AM I SUPPOSE TO DO WITH THESE?!! DEMAND TO SEE LIFES MANAGER!! MAKE LIFE RUE THE DAY, IT THOUGHT COULD GIVE CAVE JOHNSON LEMONS!! DO YOU KNOW WHO I AM?!! I'M THE MAN WHO'S GONNA BURN YOUR HOUSE DOWN!! WITH THE LEMONS!! I'M GONNA GET MY ENGINNERS TO INVENT A COMBUSTIBLE LEMON, THAT BURNS YOUR HOUSE DOWN!!! [cough]" Cave Johnson.