Slugterra (2012)

Name: Slugterra
Genre: Action & Adventure, Animation, Comedy, Sci-Fi & Fantasy, Family
Cast: Sam Vincent, Shannon Chan-Kent, Andrew Francis, Lee Tockar, Brian Drummond

Slug it out!

Following his father's death, 15-year-old Eli Shane embraces his destiny to follow in his dad's footsteps to a secret, subterranean world called Slugterra where he is determined to be the greatest Slugslinging hero of them all!