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ƨ is a nervous character, who sometimes works as an inventor. He doesn't like being the center of attention and he prefers working on his projects alone. He works with ı to sell his inventions through their company, ınvenτıonƨ. ƨ has also appeared in BFCB, because ı wanted the two of them to join to boost the popularity of their company.

Yellow Face has worked with ƨ in the past. ƨ is very similar to Phineas and Ferb, although they somehow haven't met yet.

Some people once messed with ƨ ' s lab. Since then, ƨ went missing, but he was found again in su's dream. When he was gone, !log has talked about freeing "some purple letter" from an invalid position, it could be ƨ.