Beast Bruce turns around confused and slightly annoyed. "Don't do that," he says, "you know I hate being snuck up on." He hates this grouchy feeling right under his skin. "Do I look like a Jabberwatist," he says snappishly.
Other options:
no subject
Beast Bruce turns around confused and slightly annoyed. "Don't do that," he says, "you know I hate being snuck up on." He hates this grouchy feeling right under his skin. "Do I look like a Jabberwatist," he says snappishly.