|Full Name||Eleonore Kliesen|
|First Appearance (Alisa's Adventures in Rockoland)||Rocko Day|
|Alisa's Adventures in Rockoland Portrayer||Veronica Taylor|
- "Hey, what just happened?"
- — Leo Kliesen, after waking up from a sleepy projectile experience.
Eleonore Kliesen, better known as Leo Kliesen, is an orphan, having lost both parents to Kazuya Mishima and the Rocko Squad's arch-nemesis, Crash Gordon, before coming to Rockoland. She is not to be confused with the Leo from Barney and the Rocko Squad.
Leo has a sleeping habit, like the other girls. In addition, she got hit by a sleepy projectile and she fell fast asleep, despite Rock Buddy commanding her to get out of the way (he spoke too soon).
Veronica Taylor is known for voicing Leo in the following:
- Tekken 6 (she speaks English)
- Tekken Tag Tournament 2 (she speaks German and sounds nothing like her Tekken 6 counterpart when she speaks)
- Alisa's Adventures in Rockoland (she speaks English, like the other characters)