Lana

Lana is a blonde shapeshifter.

Lisa is what a Sindbad-imposter calls her in one episode.

Opening
who is rescued from an exploding planet at the start and gives a hug to Sindbad.

Story
In episode 2 her form destabilizes into goo while scared and holding Sindbad. A comment is made by Lee on how it varies with her emotional status.

In part 2 about Volcanoes mentions (while in the form of a fly) being reknowned for her scientific mind. Then she gets got in a web causing Sinbad to exclaim "shimmering spider bait", foreshadowing the upcoming alliteration of Tinkerer

Quotes

 * "So Zach, are you in?" in ep 2

Trivia
Her race resembles the Changelings (such as Odo) from Star Trek: Deep Space Nine.