STH-02, also called Sonic2 is a Mini created by Tails the Fox. It is part of the Sonic Mini series and is the second to be produced. It is based off of Sonic's appearance and abilities from Sonic The Hedgehog 2.
Sonic2 greatly improves upon Sonic1, most notably having the ability to Spin Dash, as well as being the first Sonic Mini to be able to do this, and the ability to synchronize and work together with other Sonic Minis and Tails Minis.
- Faster than Sonic1
- Higher speed limit
- Grinds to a halt before powering down
- Can synchronize with other Minis
- Can Spin Dash
- Can transform when enough energy is stored inside it
- Still has a speed limit and powers down should it be surpassed