Who plays Four Arms in Ben 10?

Four Arms is played by Richard McGonagle.

How is Four Arms connected to other characters?

Four Arms has 6 mapped relationships in Ben 10. Explore the interactive relationship map for details.

Four Arms — Power Vessel — Grandpa Max (Paul Eiding)
Four Arms acts as a meta-narrative vessel for the Omnitrix power under Grandpa Max's protection.
Four Arms — Form Activation — Ben Tennyson (Tara Strong)
Ben's activation of Four Arms showcases his ability to harness alien power for tactical advantages.
Four Arms — Season Anchor — Grandpa Max (Paul Eiding)
Grandpa Max anchors the narrative structure while Four Arms delivers episodic physical resolutions.
Four Arms — Physical Extension — Ben Tennyson (Tara Strong)
Four Arms acts as a physical extension of Ben's will, capable of independent action while Ben is elsewhere.
Four Arms — Evidence Collector — Gwen Tennyson (Meagan Moore)
Gwen uses Four Arms' rampage as evidence to hold Ben accountable, highlighting her analytical nature.
Four Arms — Threat to Witness — Gwen Tennyson (Meagan Moore)
Four Arms' uncontrolled actions force Gwen to take investigative and protective measures against the perceived threat.