Aliciene was the Nittany Lions' eighth pickup of the current cycle.
Lovett played for Penn State in 2021 as a graduate transfer.
O'Brien was Penn State's head coach from 2012-13, going 15-9 in the wake Joe Paterno's firing.
Lustig replaced Stacy Collins, who departed for Boise State earlier in the week.
With Owusu available after months of injury issues, Penn State now has an extra weapon on the court.
"This is what college sports should be all about. And really, our students were awesome."