Well, the vox timbre, placement, harmony intervals, and esp. the Layne Staley-esque penchant for 'sitting' on a pure note ... then adding vibrato. Sorry if 'rip off' came across as a tad strong, would 'lifted' be better?
Not a flame either, just an (apparent) observation. Better yet, go shop that particular tune and tell me if the A&R rep's impressions doesn't contain any A in C 'derivative' references. But all that b.s. aside, most importantly you're having fun - good for you - carry on.
About the name: Death Ape Disco? There's already Eagles of Death Metal and the hopelessly trite Panic @ the Disco, a 'no sack' band whose name you surely do not want to be confused with...