Spirocores or Evah Weichs.
+1 again!!!
Spirocores are great strings but I've never thought of them as hybrids.
Spirocores, IMO, don't deserve a "but" at all.

EPs, in my hands anyway, bow much more easily than do Spiros but, as many have pointed out, Spiros can be fine for arco given the right technique.
I always did like the sound of the Oblis but (yes, there's a but), I found, as did quite a number of other players, that they sounded far better in my living room than they did on the bandstand. If your style runs toward an old-school percussive acoustic sound (and mine does, if I can be said to have a "style" at all

), then, IME, when you try to dig into Oblis, they give up. Not so with Spiros and EPs.
With strings, YMMV, certainly applies!
I apologize, I'm a jokester. If i really knew the answer to the ongoing hybrid debate, 50% of this corner of TB would be elmiminated.
I assure you that even if you thought you knew the answer (there actually is no answer), then we'd still discuss all this stuff.
I am sure a thread discussing all hybrid strings would be very helpful to many a TBer, including myself. So feel free to post on what you find to be the best hybrid string, and why; it doesnt even need to be advertised as a hybrid, just whatever you personally find works best for arco and pizz.
Adam, we all do feel very much free to post. I think you'll find threads here discussing just about any "hybrid" string of which you're likely to think. This is one of those topics that's perpetual around here. It may be new to you, but not to the folks who've been around here.
Just have at the search function. As a newcomer, it's a fine way to get acquainted with TB. Welcome!