What did Julius Caesar see in Octavius to name him his political heir and heir to two third of his fortunes?

by darksoysauce

What did Julius Caesar see in Octavius to name him his political heir and heir to two-thirds of his estate?

cleopatra_philopater

While there is always more to be said, these answers touch on the subject:

What so impressed Julius Caesar about Octavian? by /u/PapiriusCursor

Is it possible that Caesar's will was forged by Octavian or one of his supporters? and Would Caesar's adoption of Octavian have been unexpected? by /u/XenophontheAthenian.