Origin
Speed Freak is an alternate reality version of The Flash, and is in the Love Syndicate of Dreamworld.
Current Events
Speed Freak appeared with Magic Lantern and Sunshine Superman in the Second Crisis and Final Crisis.
Powers & Abilities
Speed Freak has the same abilities of Kid Flash (Barry Allen, Wally West, etc.), which includes super-speed and other various Speed-Force related powers.
Appearances
Animal Man
Animal Man: Deus Ex Machina
Final Crisis