This is SparkAgumon a rookie form for Negagreymon.
Spark Agumon is a fun rookie, he is Larger than a standard Agumon, but the rambunctious playful attitude is still there.
*** Spark Agumon has an Alternate Evo Line... SparkAgumon> SparkGreymon> BlastGreydramon> ExaGreymon
SparkAgumon Digivolve to: NegaGreymon Digivolve to: [link]
Attack A: Spark Attack
Attack B: Electric Buster