Use the W, A, S, and D or arrow keys to move. Use Space to shoot. You'll know if you're attacking Jonny if you see a spark flash after it touches him.
Thanks to @ninjaveerg for helping me with the magnet attack. BRIEF FLASHING AND LOUD NOISES. This game probably has many glitches so... yeah... This might be my last project on scratch. If it is, I'll let you know. Go to my profile for updates. Cheat code: CHEAT (Use at your own risk.) Type code on the "Ready" screen.