Tehetchi has cream skin and round ears or hair buns with swirls on them. She has two orange beads on the left and two pink beads on the right. She wears a pink dress with two yellow buttons on the front, and a white undershirt.
Tehetchi's name comes from the Japanese meme term tehepero (てへぺろ). It is used to describe a popular action used by Japanese idols and anime characters; sticking their tongue out while grinning. Tehetchi often makes the tehepero expression.