Hard to find these - this is a very cool Gokko pedal that is a clone of an MI Audio Blues Pro circuit, but with a ton of boost available.

Gokko GK-61 Mogwai

is a 2-in-1 guitar effects pedal that combines both overdrive and fuzz modes in a single, compact unit. It is known as a versatile, budget-friendly option for guitarists looking for a range of dirt tones. 

• Dual Modes: A toggle switch allows you to select between two distinct sounds:
  • Overdrive Mode: Offers warm, bluesy, low-gain crunch that some reviewers compare to an amp-like distortion or an MI Audio Blues Pro circuit clone.
  • Fuzz Mode: Produces vintage-style fuzz tones, which can get increasingly gated and "spluttery" as the gain is increased past the 12 o'clock position. This mode has a unique "sponge" tone control that affects how the fuzz responds to playing dynamics.
• Controls: Features a classic 3-knob layout: Gain, Tone, and Volume. These knobs are dynamic and interact with the mode switch to offer a wide spectrum of sounds.
• Build Quality: The pedal is built with a rugged aluminum alloy housing and features true bypass switching to ensure your original tone remains unaffected when the pedal is disengaged.
• Power: It requires a standard 9V DC center-negative power supply (not included) and has a low current draw of 18mA.