Astro is your typical teenager. He's moody, and yells a lot. Earning him the nickname Grumbles after his dad, nicknamed Grump by Astro's human sister. Despite his awkward teenage years, Astro is an absolute sweetheart! He is a mama's boy that is absolutely obsessed with playing fetch, especially with his favorite toy, acorn. He loves basking in the sun, when not rudely interrupted by his little brother Toby, and chasing birds down by the soundfront.