sentences:  He and Plank both have superhero alter egos (Captain Melonhead and Splinter the Wonderwood, respectively), which they assumed twice throughout the series; first in "Robbin' Ed" to thwart Eddy's "Thingamajig" scam and to fight Eddy's own one-time only alter ego, Professor Scam, and then in "Ed, Edd n Eddy's Big Picture Show" to hunt down and get revenge on the Eds.After "Big Picture Show", he and Plank become The Gourd and Timber the Dark Shard in order to take revenge on the entire cul-de-sac (although Plank reveals that there is no more time left in the movie at this point).Jimmy (Keenan Christenson) is an insecure and innocent child, with a propensity to cry, and Sarah's best friend whom he is most often seen spending his time with.