Credits: 

Disabling the Vampire Killer's Whip Dangle Code - DevAnj
Better Superjump for Julius - Masked Dedede
DSVania Editor - LagoLunatic
The Hack itself - Oersted

The Jist of this!
Play as the Blue Blur himself, Sonic the Hedgehog! Hone your timing and skills and blaze around in the Julius mode hack. All content from the original game has already been unlocked, allowing you to experience the raw speed on Sonic without needing a a completed save file.