Board Thread:Off Topic/@comment-31141590-20160404195338/@comment-26877467-20160406121337

Why, you're Cheyser the Cavelazer Blast, of course!

I am slower than a tortise, but greener than one. I do, however, lose this green, and become yellow, orange, red, and then brown. But when Spring comes I become green again. What am I?